ЦитироватьMulti-national contribution to U.S. military network delivered for launch
January 11, 2017 (http://spaceflightnow.com/2017/01/) Justin Ray (http://spaceflightnow.com/author/justin-sfn-ray/)
The next satellite for the U.S. military's communications network, this one purchased by five international allies, has arrived in Florida for its launch in March atop a Delta 4 rocket.
The ninth Wideband Global SATCOM spacecraft has been delivered to Cape Canaveral from the Boeing factory in Los Angeles.Цитировать (https://img.novosti-kosmonavtiki.ru/185890.jpg) SMC Commander @SMC_CC (https://twitter.com/SMC_CC)A United Launch Alliance Delta 4 vehicle will propel the craft into space on March 8 during a 121-minute window that opens at 6:35 p.m. EST (2335 GMT).
@af_smc (https://twitter.com/AF_SMC), @Boeing (https://twitter.com/Boeing), @AirMobilityCmd (https://twitter.com/AirMobilityCmd) & msn partners shipped the WGS-9 satellite from L.A. to @45thSpaceWing (https://twitter.com/45thSpaceWing) for 8 Mar launch aboard #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash).
(https://img.novosti-kosmonavtiki.ru/156449.jpg)
18:31 - 10 янв. 2017 г.
WGS 9 was built with funding from Canada, Denmark, the Netherlands, Luxembourg and New Zealand.
The partner nations bought the satellite in exchange for access to the entire constellation, similar to the groundbreaking deal with Australia that paid for the construction and launch of WGS 6.
The arrival of WGS 9 comes just a month after the successful launch of WGS 8 aboard another Delta 4 from the Cape. The satellite is undergoing electric propulsion maneuvers to reach geostationary orbit 22,300 miles above Earth.
ЦитироватьMeanwhile, the two-stage Delta 4 rocket was moved from its Horizontal Integration Facility to the launch pad yesterday and then raised vertically this morning, achieving the Launch Vehicle On Stand milestone.
(https://img.novosti-kosmonavtiki.ru/155225.jpg) (https://img.novosti-kosmonavtiki.ru/155225.jpg)
File photo of a Delta 4 rocket at the foot of Complex 37 launch pad. Credit: NASA-KSC
It is scheduled to fly March 8 during a 121-minute window that opens at 6:35 p.m. EST (2335 GMT) to deploy the Wideband Global SATCOM 9 communications satellite.
In the coming days, four strap-on solid rocket boosters will be installed to the Delta 4's first stage. The payload will be attached in late February.
WGS 9 was built by Boeing for the U.S. military's worldwide communications network. But it was funding from Canada, Denmark, the Netherlands, Luxembourg and New Zealand that paid for the satellite's construction as part of an international agreement.
The partner nations bought the satellite in exchange for access to the entire constellation, similar to the groundbreaking deal with Australia that paid for the construction and launch of WGS 6.
WGS 9 will join its sisters in geostationary orbit 22,300 miles above Earth to provide voice, data and video relay to troops, aircraft, ships and aerial drones.
It carries the same upgrade as WGS 8 that nearly doubles its bandwidth as compared to earlier satellites in the series.
ЦитироватьDelta IV to Launch WGS-8 for the U.S. Air Force
(https://img.novosti-kosmonavtiki.ru/235331.jpg)
Rocket/Payload: A United Launch Alliance Delta IV Medium+ (5,4) rocket will launch the ninth Wideband Global SATCOM (WGS-9) mission for the U.S. Air Force.
Date/Site/Launch Time: Wednesday, March 8, 2017, from Space Launch Complex (SLC)-37 at Cape Canaveral Air Force Station, Florida. The 121-minute launch window opens at 6:35 p.m. EST.
Live Broadcast: Tune in to ULA's live launch day broadcast beginning at 6:15 p.m. EST.
Mission Description: WGS satellites are important elements of a new high-capacity satellite communications system providing enhanced communications capabilities to our troops in the field. WGS has 19 independent coverage areas, 18 of which can be positioned throughout its field-of-view. This includes eight steerable/shapeable X-band beams formed by separate transmit/receive phased arrays; 10 Ka-band beams served by independently steerable diplexed antennas; and one transmit/receive X-band Earth-coverage beam. WGS can tailor coverage areas and connect X-band and Ka-band users anywhere within its field-of-view. The X-band phased array antenna enables anti-jam functionality without sacrificing performance.
Launch Notes: WGS-9 will mark the seventh flight of the Delta IV in the Medium + (5,4)configuration; all launches in this configuration have delivered WGS missions to orbit. This mission also will be the 35th launch of the Delta IV since its inaugural launch in 2002.
Launch Updates: To keep up to speed with updates to the launch countdown, dial the ULA launch hotline at 1-877-852-4321 or join the conversation at www.facebook.com/ulalaunch (https://www.facebook.com/ulalaunch), twitter.com/ulalaunch (https://twitter.com/ulalaunch) and instagram.com/ulalaunch (https://instagram.com/ulalaunch); hashtags #WGS9 and #DeltaIV.
Go Delta! Go WGS-9!
Цитировать...
Date/Site/Launch Time:Wednesday, March 8, 2017, from Space Launch Complex (SLC)-37 at Cape Canaveral Air Force Station, Florida. The 65-minute launch window opens at 6:48 p.m. EST.
Live Broadcast: Tune in to ULA's live launch day broadcast beginning at 6:28 p.m. EST.
...
Цитировать (https://img.novosti-kosmonavtiki.ru/185659.jpg) James DeanПодлинная учетная запись@flatoday_jdean (https://twitter.com/flatoday_jdean) 1 ч1 час назад (https://twitter.com/flatoday_jdean/status/835180862908022784)
ULA, Air Force today hoisted #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) satellite atop Delta IV rocket for March 8 launch from LC37. 65-minute window opens 6:48pm ET.
ЦитироватьSalo пишет:http://spaceflightnow.com/2017/02/24/delta-4-receives-communications-satellite-payload-for-launch-into-space/
Air Force today hoisted # WGS9 satellite atop Delta IV rocket for March 8 launch from LC37
ЦитироватьDelta 4 receives communications satellite payload for launch into space
February 24, 2017 (http://spaceflightnow.com/2017/02/) Justin Ray (http://spaceflightnow.com/author/justin-sfn-ray/)
(https://img.novosti-kosmonavtiki.ru/155257.jpg) (https://img.novosti-kosmonavtiki.ru/155257.jpg)The nine WGS mission patches. Credit: Air Force logos; Spaceflight Now graphic
CAPE CANAVERAL — A military communications satellite, built with international funding from Canada, Denmark, the Netherlands, Luxembourg and New Zealand, has been stacked atop a Delta 4 rocket to launch into a worldwide information-relay network operated by the U.S.
WGS 9, the ninth installment of the Wideband Global SATCOM communications satellite system, will be boosted into a super-synchronous transfer orbit by the United Launch Alliance Delta 4 Medium+ (5,4) configured rocket with four strap-on solids.
Liftoff is planned for March 8 during a window of 6:48 to 7:53 p.m. EDT (2248-2353 GMT).Спойлер
The allies bought this satellite in exchange for access to the planet-spanning constellation, similar to the groundbreaking deal with Australia that paid for the construction and launch of WGS 6.
"Each of the partners receive resources commensurate with their investment with WGS 9...Commensurate investments from these partners equate to approximately 3 percent of the WGS constellation bandwidth," according to answers provided by the Air Force's Space and Missile Systems Center.
The international participation gives communications interoperability between allied forces, funds expansion of the constellation and allows each partner nation to make a modest investment to receive immediate access to worldwide services that would be too expensive to construct on their own.
The WGS 9 deal was signed in 2012 to begin construction of the satellite.
"In accordance with the terms of the partnership, the international partners gained access to the WGS constellation upon enactment in 2012."
WGS is the Department of Defense's highest capacity communications satellite system. The spacecraft create a global grid to provide the needed coverage and connectivity in support of operations by U.S. and allied forces around the world.
Boeing builds the WGS satellites, which began launching in 2007.
The new bird, valued at $424 million, will be maneuvered into a circular geosynchronous orbit 22,300 miles above the equator to enter service from an undisclosed position.
Just like WGS 8 launched in December, No. 9 carries the second Wideband Digital Channelizer at the heart of its communications package, enabling a 90 percent improvement in available bandwidth compared to previous sister-satellites.
(https://img.novosti-kosmonavtiki.ru/155251.jpg) (http://spaceflightnow.com/wp-content/uploads/2017/02/DeltaIVWGS9_Art.jpg)The WGS 9 launch poster. Credit: United Launch Alliance
Already shrouded in the rocket's 47-foot-tall, 17-foot-diameter composite nose cone, the WGS 9 spacecraft was hauled to Complex 37 overnight and hoisted atop the Delta 4 launch vehicle today.
The fully assembled rocket stands 217 feet tall.
"The international partners funded the procurement of the ninth WGS satellite. The United States funded the launch, operation and sustainment of WGS 9," according to SMC.
The satellite was flown to Florida in early January from Boeing's manufacturing facility in El Segundo, California. After arriving, it was taken to the commercial Astrotech processing facility to undergo pre-flight preps.
Final testing, loading of maneuvering propellant and encapsulation in the Delta 4's nose cone was accomplished with the satellite.
Today's transfer to the pad saw the 13,000-pound satellite move from Titusville, through the Kennedy Space Center and over to Cape Canaveral Air Force Station's Complex 37.
Since rolling from its hangar a month ago, the Delta has undergone attachment of the four solid boosters and a pre-launch testing campaign. A fueling exercise was performed just last week.
Delta 377 will be the rocket family's first of 2017.[свернуть]
Цитировать (https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now@SpaceflightNow (https://twitter.com/SpaceflightNow) 2 ч.2 часа назад (https://twitter.com/SpaceflightNow/status/835188573502603264)
`#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) craft, funded by Canada, Denmark, the Netherlands, Luxembourg and New Zealand, stacked on Delta 4 for launch http://spaceflightnow.com/2017/02/24/delta-4-receives-communications-satellite-payload-for-launch-into-space/ ... (https://t.co/Ux1RST5SIA)
(https://img.novosti-kosmonavtiki.ru/156987.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/185971.jpg) 45th Space Wing @45thSpaceWing (https://twitter.com/45thSpaceWing) 2 ч. назад (https://twitter.com/45thSpaceWing/status/837043426805837824)
WE LAUNCH AGAIN IN 1 WEEK!
(https://img.novosti-kosmonavtiki.ru/156910.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg)ULAVerified account @ulalaunch (https://twitter.com/ulalaunch) 1m1 minute ago (https://twitter.com/ulalaunch/status/838106435154227200)
#DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) launch moving to NET March 14. The team is working to resolve booster issue discovered during standard prelaunch inspections.
ЦитироватьDelta IV to Launch WGS-9 for the U.S. Air Force
(https://img.novosti-kosmonavtiki.ru/235331.jpg)
Delta IV WGS-9 Mission Overview (http://www.ulalaunch.com/uploads/docs/Mission_Booklets/DIV/div_wgs9_mob.pdf)
(Update: March 4, 2 p.m. EST: ) The launch date for a United Launch Alliance Delta IV carrying the WGS-9 satellite for the U.S. Air Force is no earlier than March 14. The team is actively working to resolve a Delta IV first stage booster issue discovered during standard prelaunch inspections. This additional time will allow the ULA team to ensure all systems are operating nominally prior to launch. A new launch date will be released once it is established. The Delta IV will lift off from Space Launch Complex-37 at Cape Canaveral Air Force Station in Florida.
...
Date/Site/Launch Time: No earlier than Tuesday, March 14, 2017, from Space Launch Complex (SLC)-37 at Cape Canaveral Air Force Station, Florida.
Цитировать(https://img.novosti-kosmonavtiki.ru/185009.jpg) AF Space Command @AFSpace (https://twitter.com/AFSpace) 23 ч. назад (https://twitter.com/AFSpace/status/837772390499303428)
70 years of awesomeness from @usairforce (https://twitter.com/usairforce), so we put it on a rocket and we're launching it on March 8. Stay tuned! @ulalaunch (https://twitter.com/ulalaunch) @45thSpaceWing (https://twitter.com/45thSpaceWing)
(https://img.novosti-kosmonavtiki.ru/157165.jpg)
Цитировать (https://img.novosti-kosmonavtiki.ru/185889.jpg) Scott M @Restrantek (https://twitter.com/Restrantek) 35 мин. назад (https://twitter.com/Restrantek/status/838416170650849280)
The 9+ mile view of #SLC37B (https://twitter.com/hashtag/SLC37B?src=hash) with #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) from @Explorationtwr (https://twitter.com/Explorationtwr) @canaveralport (https://twitter.com/canaveralport) @torybruno (https://twitter.com/torybruno) View the launch from the tower NET March 14th
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Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 7 мин. назад (https://twitter.com/ulalaunch/status/840611349000572928)
Launch update: #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) launch for @usairforce (https://twitter.com/usairforce) is scheduled for NET March 17 due to Eastern Range availability http://bit.ly/div_wgs9 (https://t.co/khdugOXMbE)
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 17 мин. назад (https://twitter.com/ulalaunch/status/840611418701479937)
The #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) team is finalizing closure actions for the booster issue in support of final #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) launch preparations.
ЦитироватьDate/Site/Launch Time: No earlier than Friday, March 17, 2017, from Space Launch Complex (SLC)-37 at Cape Canaveral Air Force Station, Florida.
ЦитироватьMultimedia: WGS 9 readied for launch
March 12, 2017 (https://spaceflightnow.com/2017/03/) Justin Ray (https://spaceflightnow.com/author/justin-sfn-ray/)
This collection of photographs and videos shows the Wideband Global SATCOM communications satellite No. 9 being encapsulated in the United Launch Alliance Delta 4 nose cone and hoisted atop the rocket for launch March 17 at 7:44 p.m. EDT (2344 GMT).
Encapsulation occurred at the Astrotech processing facility on Feb. 14. Stacking atop the Delta occurred Feb. 24 at Cape Canaveral's Complex 37.
The ninth installment of the Wideband Global SATCOM communications satellite constellation was built by international funding from Canada, Denmark, the Netherlands, Luxembourg and New Zealand to join the U.S. military network.
International partners will receive a proportional share of the bandwidth provided by the WGS constellation based on financial contribution.
WGS 9 will be launched and operated by the Air Force.
Credit: United Launch Alliance
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Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 11 мин. назад (https://twitter.com/SpaceflightNow/status/841636899068489728)https://spaceflightnow.com/2017/03/14/favorable-weather-outlook-for-fridays-twilight-delta-4-launch-from-florida/
Favorable weather outlook for Friday's twilight Delta 4 rocket rocket launch of #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) at 7:44pmEDT from Florida https://spaceflightnow.com/2017/03/14/favorable-weather-outlook-for-fridays-twilight-delta-4-launch-from-florida/ ... (https://t.co/TSn65Ed51h)
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ЦитироватьFavorable weather outlook for Friday's twilight Delta 4 launch from Florida
March 14, 2017 (https://spaceflightnow.com/2017/03/) Justin Ray (https://spaceflightnow.com/author/justin-sfn-ray/)CAPE CANAVERAL — Air Force meteorologists are expecting good weather to launch the Delta 4 rocket with a military communications satellite when the sun goes down Friday evening at Cape Canaveral.Спойлер
(https://img.novosti-kosmonavtiki.ru/126155.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14130116/32.jpg)
The Delta 4 will launch from Complex 37. Credit: ULA[свернуть]
Liftoff of the United Launch Alliance booster carrying the Wideband Global SATCOM 9 spacecraft for the U.S. Air Force is scheduled to occur at 7:44 p.m. EST (2344 GMT). The launch window will remain open for 74 minutes to 8:58 p.m. (0058 GMT).
The chances of allowable weather stand at 90 percent, with only a slight concern for liftoff winds during the launch opportunity.
"A high pressure area will gradually move into the Southeast U.S. Thursday and Friday, and as this occurs, the pressure gradient will slacken and winds will decrease," forecasters at the 45th Weather Squadron say.
"Weather is generally favorable for launch."
The launch time conditions are expected to include only scattered clouds, good visibility, ground winds from the east at 10 gusting to 15 knots, a relative humidity of 67 percent and a temperature of 63 degrees F.
An on-time liftoff at the opening of the window would occur 12 minutes after sunset but well within twilight conditions.
The closest free public viewing location is along Route 401 in Port Canaveral, some 8.6 miles from the launch pad, according to LaunchPhotography.com (http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html).Спойлер
The WGS 9 spacecraft is an international contribution to the U.S. military's highest-capacity, worldwide communications satellite constellation. Canada, Denmark, the Netherlands, Luxembourg and New Zealand funded construction of this satellite in exchange to bandwidth from the entire global network.
The Boeing-built WGS network provides high-volume communications anytime, anywhere to soldiers, ships, aircraft and drones.
The final closeouts of vehicle compartments are underway ahead of the Launch Readiness Review on Tuesday and the countdown starting Wednesday morning.
Here's a look at some stats about the mission. This will be:[/li]
- The 377th Delta rocket launch since 1960
- The 35th Delta 4 rocket mission since 2002
- The 7th Medium+ (5,4) configuration to fly
- The 53rd main engine from RS-68 family used
- The 11th RS-68A main engine flown
- The 56th-57th-58th-59th GEM-60 solid rocket motors flown
- The 479th production RL10 engine to be launched
- The 38th RL10B-2 engine launched
- The 29th Delta 4 rocket launch from Cape Canaveral
- The 37th launch from Pad B at Complex 37
- The 20th use of Delta 4 by the Air Force
- The 105th Evolved Expendable Launch Vehicle flight
- The 118th United Launch Alliance mission since 2006
- The 85th ULA launch from Cape Canaveral
- The 47th ULA launch for the Air Force
- The 28th Delta 4 under the ULA banner
- The 3rd ULA launch this year
- The 1st launch of the Delta family in 2017
- The 9th Wideband Global SATCOM satellite
- The 3rd Block 2-Follow On WGS satellite
- The 7th WGS on Delta 4
[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/185877.jpg) /r/ULA @_r_ULA (https://twitter.com/_r_ULA) 15 мин. назад (https://twitter.com/_r_ULA/status/841638752233652225)
Weather forecast is 90% GO for the #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) launch.
(https://img.novosti-kosmonavtiki.ru/157136.jpg)
ЦитироватьThe primary concern for launch is Cumulus Clouds forming in advance of the front, however they should be of minimum vertical development and very isolated.
ЦитироватьLaunch day overall probability of violating weather constraints: 10%Получается, опять сдвиг вправо на сутки?
Primary concern(s): Cumulus Clouds
24-hour delay overall probability of violating weather constraints 20%
Primary concern(s): Lift-Off Winds
Цитировать(https://img.novosti-kosmonavtiki.ru/185659.jpg) James DeanПодлинная учетная запись @flatoday_jdean (https://twitter.com/flatoday_jdean) 4 мин. назад (https://twitter.com/flatoday_jdean/status/842056460938948609)
Current schedules, subject to change, have Delta IV/WGS-9 launching at 7:44pm March 18, Atlas V/OA-7 potentially moving to March 24.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 6 мин. назад (https://twitter.com/SpaceflightNow/status/842119874017153024)https://spaceflightnow.com/2017/03/15/delta-4s-military-launch-bumped-by-commercial-spacex-flight-but-good-weather-expected/
Delta 4's military launch of #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) bumped to Saturday by commercial SpaceX flight, but good weather expected https://spaceflightnow.com/2017/03/15/delta-4s-military-launch-bumped-by-commercial-spacex-flight-but-good-weather-expected/ ... (https://t.co/qkZfduf7sd)
(https://img.novosti-kosmonavtiki.ru/157235.jpg)
ЦитироватьDelta 4's military launch bumped by commercial SpaceX flight, but good weather expected
March 15, 2017 (https://spaceflightnow.com/2017/03/) Justin Ray (https://spaceflightnow.com/author/justin-sfn-ray/)CAPE CANAVERAL — With the SpaceX scrub earlier this week and the time needed to convert the Eastern Range over to the Delta 4, liftoff of that rocket carrying an internationally-purchased military communications satellite for the Air Force has been bumped to Saturday evening.Спойлер
(https://img.novosti-kosmonavtiki.ru/126168.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/15192214/d4wx.jpg)
The Delta 4 will launch from Complex 37. Credit: ULA[свернуть]
Liftoff of the United Launch Alliance Delta 4 carrying the Wideband Global SATCOM 9 spacecraft is scheduled to occur at 7:44 p.m. EDT (2344 GMT). The launch window will remain open for 75 minutes to 8:59 p.m. (0059 GMT).
After SpaceX scrubbed its launch early Tuesday, the company invoked its backup Range date of early Thursday.
Despite the 43-hour turnaround between SpaceX's next attempt and the Delta 4's scheduled launch, the Range ruled late Tuesday it could not support the military satellite flight on Friday evening. That automatically moved the Delta 4 to Saturday.Спойлер
The Eastern Range provides the required safety and tracking services for all launches from the Space Coast.
The chances of allowable weather for the Delta 4 on Saturday stand at 90 percent, with only a slight concern for cumulus clouds during the launch opportunity.
"The next cold front will be dropping southward into northern Florida late on Saturday, but will remain relatively weak and not track through Central Florida until Sunday morning. Weather should be favorable for MST rollback during the day and for the evening launch," forecasters at the 45th Weather Squadron say.
"The primary concern for launch is cumulus clouds forming in advance of the front, however they should be of minimum vertical development and very isolated."
The launch time conditions are expected to include only a few low-level clouds and some scattered high clouds, good visibility, ground winds from the southwest at 10 gusting to 15 knots, a relative humidity of 64 percent and a temperature of 66 degrees F.
Sunday's backup launch window, if needed, should have 80 percent favorable weather.
"For Sunday, the relatively dry cold front tracks through Central Florida in the morning and drops into Southern Florida by afternoon. Skies will be fair, however winds will be 17 knots gusting to 25 knots throughout the day. During the morning, winds will be from the northwest then veering to north by evening. The primary concern for a 24-hour delay is lift-off winds, however the wind direction will be from a favorable (~010 degrees) azimuth during Sunday's launch window," forecasters say.
An on-time liftoff at the opening of the window would occur 12 minutes after sunset but well within twilight conditions.
The closest free public viewing location is along Route 401 in Port Canaveral, some 8.6 miles from the launch pad, according to LaunchPhotography.com (http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html).
The WGS 9 spacecraft is an international contribution to the U.S. military's highest-capacity, worldwide communications satellite constellation. Canada, Denmark, the Netherlands, Luxembourg and New Zealand funded construction of this satellite in exchange to bandwidth from the entire global network.
The Boeing-built WGS network provides high-volume communications anytime, anywhere to soldiers, ships, aircraft and drones.
Here's a look at some stats about the mission. This will be:[/li]
- The 377th Delta rocket launch since 1960
- The 35th Delta 4 rocket mission since 2002
- The 7th Medium+ (5,4) configuration to fly
- The 53rd main engine from RS-68 family used
- The 11th RS-68A main engine flown
- The 56th-57th-58th-59th GEM-60 solid rocket motors flown
- The 479th production RL10 engine to be launched
- The 38th RL10B-2 engine launched
- The 29th Delta 4 rocket launch from Cape Canaveral
- The 37th launch from Pad B at Complex 37
- The 20th use of Delta 4 by the Air Force
- The 105th Evolved Expendable Launch Vehicle flight
- The 118th United Launch Alliance mission since 2006
- The 85th ULA launch from Cape Canaveral
- The 47th ULA launch for the Air Force
- The 28th Delta 4 under the ULA banner
- The 3rd ULA launch this year
- The 1st launch of the Delta family in 2017
- The 9th Wideband Global SATCOM satellite
- The 3rd Block 2-Follow On WGS satellite
- The 7th WGS on Delta 4
[свернуть]
ЦитироватьNext Launch: Delta IV WGS-09
/ Published March 16, 2017CAPE CANAVERAL AIR FORCE STATION, Fla. --
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U.S. Air Force graphic-- ------
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Weather should be favorable for MST rollback during the day and for the evening launch. As for space weather, there are no complex sunspot areas, and therefore, no concerns at present for solar activity. The primary concern for launch is Cumulus Clouds forming in advance of the front, however they should be of minimum vertical development and very isolated.
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ЦитироватьLaunch day overall probability of violating weather constraints: 10%Добавка
Primary concern(s): Cumulus Clouds
24-hour delay overall probability of violating weather constraints 20%
Primary concern(s): Lift-Off Winds
Цитировать(https://img.novosti-kosmonavtiki.ru/185877.jpg) /r/ULA @_r_ULA (https://twitter.com/_r_ULA) 6 ч назад (https://twitter.com/_r_ULA/status/842379792485867520)
The weather forecast for Saturday's #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) launch is still looking good! https://redd.it/5wzkp0 (https://t.co/303w7ecP2T)
(https://img.novosti-kosmonavtiki.ru/157358.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 3 ч. назад (https://twitter.com/SpaceflightNow/status/842414673806954496)https://spaceflightnow.com/2017/03/16/timeline-delta-4wgs-9-launch-events/
LEARN about the direction and events in Saturday evening's Delta 4 launch with #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) https://spaceflightnow.com/2017/03/16/timeline-delta-4wgs-9-launch-events/ ... (https://t.co/b0nvO5aP5e)
(https://img.novosti-kosmonavtiki.ru/157382.jpg)
ЦитироватьTimeline: Delta 4/WGS 9 launch events
March 16, 2017 (https://spaceflightnow.com/2017/03/) Justin Ray (https://spaceflightnow.com/author/justin-sfn-ray/)
Follow the Delta 4 rocket's ascent into orbit fr om Cape Canaveral's Complex 37 launch pad to deploy the Wideband Global SATCOM 9 communications satellite. Liftoff is scheduled for Saturday at 7:44 p.m. EDT (2344 GMT).Спойлер
T-00:05.0 Engine start
(https://img.novosti-kosmonavtiki.ru/126166.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14184018/013.jpg)
The RS-68A main engine begins to ignite as the liquid hydrogen fuel valve is opened, creating a large fireball at the base of the rocket. The engine powers up to full throttle for a computer-controlled checkout before liftoff.
T-00:00.0 Liftoff
(https://img.novosti-kosmonavtiki.ru/126165.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14184015/023.jpg)
The rocket's four strap-on solid rocket motors are lit, the four hold-down bolts are released and the Delta 4 lifts off from Cape Canaveral's pad 37B. The pad's three swing arms retract at T-0 seconds.
T+00:46.1 Max-Q
(https://img.novosti-kosmonavtiki.ru/126167.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14184021/033.jpg)
The vehicle experiences the region of maximum dynamic pressure. The solid motors and the RS-68A liquid hydrogen/liquid oxygen engine continue to fire as the vehicle heads downrange, arcing over the Atlantic along a 93.46-degree flight azimuth.
T+01:40.1 Jettison solid motors
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Having used up all their solid-propellant and experienced burnout eight seconds ago, the two strap-on boosters with fixed nozzles are jettisoned from the Delta's first stage, followed two seconds later by the pair of boosters with steerable nozzles.
T+03:14.6 Jettison payload fairing
(https://img.novosti-kosmonavtiki.ru/126156.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14183606/fairing.jpg)
The five-meter diameter composite payload fairing that protected the WGS 9 cargo atop the Delta 4 during the atmospheric ascent is no longer needed, allowing it to be jettisoned in two halves.
T+03:56.5 Main engine cutoff
(https://img.novosti-kosmonavtiki.ru/126157.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14183609/beco.jpg)
The hydrogen-fueled RS-68A rocket engine completes its burn and shuts down to complete the first stage of flight.
T+04:03.1 Stage separation
(https://img.novosti-kosmonavtiki.ru/126158.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14183612/staging.jpg)
The Common Booster Core first stage and the attached interstage are separated in one piece from the Delta 4's upper stage. The upper stage engine's extendible nozzle drops into position as the first stage separates.
T+04:16.1 Second stage ignition
(https://img.novosti-kosmonavtiki.ru/126159.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14183615/mes1.jpg)
The upper stage begins its job to place the WGS 9 satellite into space with the first of two firings by the RL10B-2 liquid hydrogen/liquid oxygen engine.
T+19:53.6 Upper stage shutdown
(https://img.novosti-kosmonavtiki.ru/126160.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14183619/meco1.jpg)
The RL10 upper stage engine shuts down to complete its first firing of the launch. The rocket and attached satellite reach a parking orbit.
T+29:26.6 Restart upper stage
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After a short coast period, the upper stage is reignited to raise the orbit to the planned altitude for deploying the payload.
T+32:35.3 Upper stage shutdown
(https://img.novosti-kosmonavtiki.ru/126162.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14183626/meco2.jpg)
The powered phase of the Delta 4's mission to loft WGS 8 concludes. The second burn will reach the planned super-synchronous orbit of 270 by 27,572 statute miles with an inclination of 27 degrees.
T+41:45.6 Separate spacecraft
(https://img.novosti-kosmonavtiki.ru/126163.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/14183629/sep.jpg)
The Wideband Global SATCOM 9 military communications satellite is released into space from the Delta 4 rocket. The Boeing-built satellite will use its onboard propulsion to reach geostationary orbit wh ere it will match Earth's rotation and appear fixed above the equator in the WGS constellation.
After performing its mission, the upper stage will perform a 10-second deorbit burn 30 minutes after spacecraft separation. Any debris surviving reentry will impact the Pacific about 12 hours after launch.
https://www.youtube.com/watch?v=e5g_8evNTzc (https://www.youtube.com/watch?v=e5g_8evNTzc)[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 3 ч. назад (https://twitter.com/ulalaunch/status/842418577961545728)
Rocket fans! The ULA #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) mission for the @usairforce (https://twitter.com/usairforce) is scheduled for March 18. Launch window is 7:44-8:59 p.m. EDT.
(https://img.novosti-kosmonavtiki.ru/157384.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 1 ч. назад (https://twitter.com/SpaceflightNow/status/842442434495807490)https://spaceflightnow.com/2017/03/16/u-s-military-satellite-jointly-purchased-by-coalition-forces-to-be-launched-saturday/
PREVIEW: Military satellite #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) jointly purchased by coalition forces to launch Saturday by Delta 4 fr om the Cape https://spaceflightnow.com/2017/03/16/u-s-military-satellite-jointly-purchased-by-coalition-forces-to-be-launched-saturday/ ... (https://t.co/jgrnefnJVA)
(https://img.novosti-kosmonavtiki.ru/157380.jpg)
ЦитироватьU.S. military satellite jointly purchased by coalition forces to be launched Saturday
March 16, 2017 (https://spaceflightnow.com/2017/03/) Justin Ray (https://spaceflightnow.com/author/justin-sfn-ray/)CAPE CANAVERAL — Signaling strength in the international cooperation between the U.S. military and allied nations, a satellite funded by five countries will be launched by the Air Force on Saturday to codify a global communications deal.Спойлер
(https://img.novosti-kosmonavtiki.ru/126170.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/16181902/WGS-PREVIEW.jpg)
WGS 9 will be launched by a Delta 4 Medium+ (5,4) rocket. Credit: United Launch Alliance[свернуть]
A United Launch Alliance Delta 4 rocket will send the Wideband Global SATCOM communications spacecraft No. 9 into orbit from Cape Canaveral during an evening window of 7:44 to 8:59 p.m. EDT (2344-0059 GMT).
Weather forecasters project a 90 percent chance of favorable conditions for launch.Спойлер
The Boeing Co. built the WGS 9 satellite with money from Canada, Denmark, the Netherlands, Luxembourg and New Zealand. The Air Force is launching the craft and will perform the command-and-control functions during its 14-year life expectancy.
Once the satellite was purchased in 2012, the U.S. military opened up access to its worldwide fleet of WGS spacecraft to provide bandwidth to the five allies that is commensurate with the amount of funding each country invested into WGS 9.
The arrangement gives the Pentagon's highest-capacity communications backbone a ninth satellite while supplying the partner nations with secure, anti-jam connectivity anywhere on Earth via any WGS spacecraft.
"WGS provides anytime, anywhere communications for Soldiers, Sailors, Airmen, Marines and international partners through broadcast, multicast and point-to-point connections," said Robert Tarleton, director of the Air Force's Military Satellite Communications Systems at the Space and Missile Systems Center.
"This very successful cooperative effort, along with the U.S. and Australia cooperative effort for WGS 6, enhances the foundation for long-term cooperation in military satellite communications and has been very effective in promoting increased interoperability among our strategic allies."
(https://img.novosti-kosmonavtiki.ru/126171.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/16182005/wgs9.jpg)
WGS 9 mission logo. Credit: Air Force
Valued at $424 million and weighing about 13,000 pounds at launch, WGS 9 was manufactured at Boeing 's factory in El Segundo, California. It is based on the Boeing 702HP satellite platform with both conventional and xenon-ion propulsion, deployable thermal radiators and power-generating solar arrays that stretch 135 feet tip-to-tip, a wingspan larger than a Boeing 737 but smaller than a Boeing 747.
The WGS satellites place shaped, steerable spotbeams of bandwidth wherever requested across their field-of-view for Ka- and X-band frequencies, plus the onboard capability to switch signals from one band to the other.
Each satellite has electrically-steerable, phased array antennas for X-band transmitting and receiving, mechanically-steered Ka-band antennas and a fixed full-Earth-coverage beam also in X-band.
The antennas provide 19 independent coverage areas — 10 Ka-band and 8 X-band spotbeams, plus the full-Earth footprint.
The WGS 8, 9 and 10 satellites feature upgraded Wideband Digital Channelizers at the heart of their communications packages that nearly doubles capacity compared to the previous sister-spacecraft in the series.
WGS 9 with its advanced channelizer will support over 11 gigabits per second of data processing, officials said.
WGS is the central element in the U.S. military's global communications infrastructure for troops on the ground, aircraft in the sky, ships at sea, the White House Communications Agency and the State Department, plus Australia that funded WGS 6 and the five allies that bought WGS 9.
The system transmits high-priority communications such as the exchange of war-fighting information between battlefield commanders on the ground and senior defense officials.
The satellites supply communications such as maps and data to soldiers in war zones, relay video from unmanned aerial reconnaissance drones, route voice calls and messaging, and even offer quality-of-life considerations like television broadcasts and email delivery to the troops.
(https://img.novosti-kosmonavtiki.ru/126172.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/16182043/wgsantijamming.jpg)
An illustration of the WGS anti-jam capabilities. Credit: Boeing
Bringing in the international partners enables interoperability with coalition forces to communicate on the same system.
"As a global company, Boeing is happy to have been able to support the government in establishing the international business arrangement that enabled WGS 9 and appreciates the relationships we have built with our coalition partners over the years," said Rico Attanasio, director of Boeing's MILSATCOM programs.
"The capabilities of the WGS system are supporting our allies around the world with joint missions and helping our military be more effective."
Australia was the first country to join WGS, funding the construction of WGS 6 and its launch in August 2013.
Canada and the Netherlands also partner on the U.S. military's Advanced Extremely High Frequency satellite series that provides nuclear-survivable communications.
"We have ongoing, constant communications with international partners about joining in all of our communications whether it be wideband like WGS or protected like AEHF or EPS (Enhanced Polar System)," said Tarleton.
"It starts out as an expressed interest, certainly, with our allies we are looking to team as much as we can, then work forward through a Memorandum of Understanding and the funding and division of access to the constellation."
(https://img.novosti-kosmonavtiki.ru/126173.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/16182113/wgs9_factory.jpg)
The WGS 9 spacecraft in the factory. Credit: Boeing
Getting WGS 9 into space begins with a ride atop the 900,000-pound, 217-foot-tall Delta rocket that will launch on 1.8 million pounds of thrust from its hydrogen-fueled Aerojet Rocketdyne RS-68A main engine and four side-mounted solid-fuel boosters from Orbital ATK.
"With four solids, if you are there in the local area it will be a pretty amazing experience with the sound and the vibrations and acoustics of the vehicle lifting off," said Laura Maginnis, United Launch Alliance's vice president for Government Satellite Launch
It will be the 7th flight for the Delta 4 Medium+ (5,4) variant, all for WGS, and the 35th launch overall for the rocket family.
Arcing to the east on a 93.46-degree flight azimuth, Delta 4 will experience maximum dynamic pressure, or Max Q, at 46 seconds, and the ground-lit boosters will burn out at 92 seconds and separate at 100 seconds.
Once out of the atmosphere and shortly before staging, the 47-foot-tall, 17-foot-diameter nose cone made of composites is jettisoned three minutes and 15 seconds into flight.
The first stage engine will propel the vehicle until T+plus 3 minutes and 57 seconds, followed by separation of the Common Booster Core seven seconds after cutoff.
The initial burn by the cryogenic upper stage gets underway at T+plus 4 minutes, 16 seconds, firing the high-energy Aerojet Rocketdyne RL10B-2 engine for nearly 16 minutes to accelerate to orbital velocity and then reach a preliminary parking orbit.
The vehicle performs a brief coast above equatorial Africa before restarting the RL10 engine at T+plus 29 minutes, 27 seconds, executing a three-minute burn to reach a highly elliptical super-synchronous transfer orbit.
Spacecraft deployment occurs over the Indian Ocean at T+plus 41 minutes, 46 seconds.
(https://img.novosti-kosmonavtiki.ru/126174.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/16182147/wgs9_sep.jpg)
An artist's concept of WGS 9 being deployed by the Delta 4 upper stage. Credit: ULA
WGS 9 will be released into an orbit 270 by 27,572 statute miles with an inclination of 27 degrees. That orbit is lower than the 41,000-mile apogees achieved by previous WGS satellites, a change was made beginning with WGS 8 last December to enable a safe deorbiting of the depleted upper stage after releasing the satellite.
The new parameters meet the satellite's requirements and allow for the disposal of the rocket body in the fight against space debris and uncontrolled re-entries.
"For every mission, we look to see if we can be compliant to national space policy and we certainly want to be good stewarts of space. I'm not the expert on space junk or space debris, but every time we have the opportunity to not leave things in space that's what we want to try and do," said Col. Shane Clark, the Air Force's mission director for the WGS 9 launch and EELV Generation operations division chief at the Space and Missile Systems Center.
"Of course, we have to balance that across a variety of technical concerns with the satellite and the launch vehicle as we make those decisions. For WGS 8 and this mission (too), we all came together and found we could be compliant with space policy and be good stewarts of the environment up there and accomplish the objectives for the WGS program by putting the satellite wh ere it needs to be."
The RL10 engine will be re-ignited 30 minutes after spacecraft separation and perform just a 10-second deorbit burn. That'll cause the stage to re-enter over the Pacific at its first orbital perigee, 12 hours after launch.
It is a new policy for military launches to avoid leaving upper stages in orbit whenever possible. An extra strap-on solid rocket booster has been added to the Atlas 5 launching the SBIRS GEO Flight 4 missile-warning satellite later this year, for example, to give enough vehicle performance to complete the satellite deployment and then deorbit the upper stage.
"It's predominately a debris issue," Clark said.
The Air Force drafted specific language that now requires launch procurements to meet U.S. Government Orbital Debris Mitigation Standard Practices, or ODMSP, and to comply with the Space Safety and Mishap Prevention Program orbital debris requirements.
"ODMSP applies to all Evolved Expendable Launch Vehicle (EELV)/National Security Space launch missions, not just SBIRS GEO. In some cases, compliance may require increased launch vehicle performance when compared to non-compliant missions," according to Lt. Gen. Greaves, SMC commander and Air Force Program Executive Officer for Space.
The WGS 9 satellite is destined to operate at an undisclosed location in geostationary orbit 22,300 miles above the equator, matching Earth's rotation and remaining in lockstep over a specific spot of the globe.
The final WGS satellite — No. 10 — will be launched in late 2018.[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/185877.jpg) /r/ULA @_r_ULA (https://twitter.com/_r_ULA) 3 ч назад (https://twitter.com/_r_ULA/status/842710021200920577)
One day until @ulalaunch (https://twitter.com/ulalaunch) delivers #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) to GTO for the @usairforce (https://twitter.com/usairforce)! Weather is still looking good. https://redd.it/5wzkp0 (https://t.co/303w7ecP2T)
(https://img.novosti-kosmonavtiki.ru/157417.jpg)
ЦитироватьWESTERN NORTH ATLANTIC.и зона затопления верхней ст РН
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
182344Z TO 190134Z MAR,
ALTERNATE 2344Z TO 0134Z COMMENCING DAILY
19 AND 20 MAR IN AREAS:
A. BOUND BY
28-35N 080-35W, 28-35N 080-00W,
28-34N 079-55W, 28-30N 079-52W,
28-27N 079-55W, 28-26N 079-58W,
28-29N 080-34W, 28-34N 080-35W.
B. BETWEEN
28-35N 28-10N AND 078-47W 078-07W.
C. BETWEEN
27-26N 27-01N AND 068-20W 067-20W.
D. BOUND BY
24-05N 052-14W, 23-15N 049-43W,
22-54N 049-54W, 23-40N 052-24W.
2. CANCEL NAVAREA IV 206/17, 211/17.
3. CANCEL THIS MSG 200234Z MAR 17.//
Authority: EASTERN RANGE 161326Z MAR 17.
Date: 161537Z MAR 17
Cancel: 20023400 Mar 17
(https://forum.novosti-kosmonavtiki.ru/forum/file/69516)
ЦитироватьWESTERN NORTH PACIFIC.
DNC 12.
1. HAZARDOUS OPERATIONS 191157Z TO 191312Z MAR,
ALTERNATE 1156Z TO 1312Z DAILY 20 AND 21 MAR
IN AREA BOUND BY
16-58N 153-50E, 13-38N 159-01E,
11-22N 158-00E, 14-40N 152-15E.
2. CANCEL HYDROPAC 906/17.
3. CANCEL THIS MSG 211412Z MAR 17.//
Authority: EASTERN RANGE 161715Z MAR 17.
Date: 161723Z MAR 17
Cancel: 21141200 Mar 17
(https://forum.novosti-kosmonavtiki.ru/forum/file/69517)
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 5 мин. назад (https://twitter.com/ulalaunch/status/842764133246418944)Собс-но, всё на рисунке слева
ULA's Launch Readiness Review is complete. #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) is set to launch March 18. Window opens at 7:44pmEDT http://bit.ly/div_wgs9 (https://t.co/khdugOXMbE)
(https://img.novosti-kosmonavtiki.ru/157425.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 26 мин. назад (https://twitter.com/SpaceflightNow/status/842772796660957189)
Review gives GO for Saturday's Delta 4 flight to deploy #WGS9 (https://twitter.com/hashtag/WGS9?src=hash). Launch dedicated to Air Force's 70th anniversary https://spaceflightnow.com/2017/03/17/d377_journal/ ... (https://t.co/KvN6GUa4DQ)
(https://img.novosti-kosmonavtiki.ru/157422.jpg)
Цитировать03/17/2017 19:20 LRR: Final readiness review clears Delta 4 and WGS 9 for launch (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196185024?url=https://v.24liveblog.com/live/?id=1379470)
A rocket launch celebrating the 70th anniversary of the U.S. Air Force while highlighting capabilities that the military service provides the country and allies has been cleared for liftoff at sunset Saturday.
The United Launch Alliance Delta 4 rocket is scheduled for departure at 7:44 p.m. EDT (2344 GMT) from Complex 37 at Cape Canaveral. The evening's launch window will remain open for 75 minutes.
Government and contractor managers convened the Launch Readiness Review today to assess preparations for the mission and granted approval to enter into the countdown on Saturday as planned.Спойлер
The mobile service tower will be rolled back from the 217-foot-tall rocket shortly before noon EDT and fueling operations will underway by 3:30 p.m. EDT.
We will have complete live play-by-play coverage of the count and launch on this page, as well as a webcast of liftoff.
A reminder that if you will be away from your computer but would like to receive countdown updates, sign up for our Twitter feed (http://24liveblog.com/url?go=https://twitter.com/spaceflightnow) to get text messages on your cellphone. U.S. readers can also sign up from their phone by texting "follow spaceflightnow" to 40404. (Standard text messaging charges apply.)
Weather forecasters give a 90 percent chance of acceptable launch conditions.
"A surface high pressure area is established over the southeastern states which will maintain a dry, stable air mass over Central Florida for the next 48 hours," the Air Force launch weather team reported this morning.
"Weather should be favorable for MST rollback during the day and for the evening launch. The next cold front will drop southward into northern Florida late on Saturday, but will remain relatively weak as it tracks through Central Florida early Sunday morning...The primary concern for launch is cumulus clouds forming in advance of the front, however they should be isolated and of minimal vertical extent."
Riding into space atop the rocket is the ninth Wideband Global SATCOM communications satellite, a craft funded by five partner nations in exchanged for global access to use any of the U.S. military's WGS spacecraft.
WGS 9 will join the growing constellation of WGS satellites in geosynchronous orbit 22,300 miles above the Earth that provide global communications coverage to the U.S. military and allies.
"Procurement of this satellite was made possible by a Memorandum of understanding with Canada, Denmark, Luxembourg, the Netherlands and New Zealand. These international partners received access to the global constellation proportional to their investment in WGS 9 since the agreement was signed in January 2012," said Robert Tarleton, director of the Air Force's Military Satellite Communications Systems at the Space and Missile Systems Center.
The 10-satellite WGS constellation began launching in 2007 and will see its final member deployed in 2018, blanketing the entire planet with communications coverage for all branches of the U.S. military, the White House and State Department, plus Australia and the five allies that bought WGS 9.
The satellites supply maps and data to soldiers on the battlefield, relay video from unmanned aerial reconnaissance drones, route voice calls and messaging, and even offer quality-of-life considerations like television broadcasts and email delivery to the troops.
Supporting both X- and Ka-band communications, WGS spacecraft are the Department of Defense's highest capacity communications satellites.
Boeing is the builder of the WGS fleet and ULA has launched all of the craft to date. The final craft in the series will be deployed by the end of 2018.
"The launch of WGS 9 coincides with the celebration of the U.S. Air Force's 70th anniversary. WGS is just one of many examples of advancements military technology and I can't think of mission to recognize the Air Force's 70th birthday," said Tarleton.
"WGS is a key element in helping the Air Force win in the air, space and cyberspace domains, and we are honored to be flying the 70th anniversary logo on the fairing of the Delta 4."
The rocket's nose cone has the WGS 9 mission emblem and the 70th anniversary insignia just below it.
"I began my career as an Air Force officer and I'm honored to play a role celebrating the Air Force's accomplishments while safely delivering incredibly important assets, like WGS 9, to orbit," said Laura Maginnis, United Launch Alliance's vice president for Government Satellite Launch.
"As the logo states, the Air Force has been breaking barriers since 1947, and space superiority is a critical part of those contributions. It is hard to imagine a world without the capabilities provided by DMSP, AEHF, SBIRS, GPS and WGS constellations that we have launched together."
This will be the 35th Delta 4 rocket launch since 2002 and the 29th Delta 4 to fly from Cape Canaveral.
The two-stage rocket was processed in the Horizontal Integration Facility, then rolled to the pad. It was hydraulically raised into the vertical position atop the launch table on Jan. 12 and the solid boosters were attached sequentially over the following few days.
A fueling exercise occurred on Feb. 17 and the payload, already encapsulated in the rocket's five-meter nose cone, was transported to the pad for mating with the rocket on Feb. 24.\[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/185971.jpg) 45th Space Wing @45thSpaceWing (https://twitter.com/45thSpaceWing) 40 мин. назад (https://twitter.com/45thSpaceWing/status/842838705907929090)
Happy #StPatricksDay (https://twitter.com/hashtag/StPatricksDay?src=hash)(https://img.novosti-kosmonavtiki.ru/125662.png) (https://twitter.com/hashtag/StPatricksDay?src=hash)(https://img.novosti-kosmonavtiki.ru/125323.png) Stay safe tonight team, we celebrate #afb70 (https://twitter.com/hashtag/afb70?src=hash) tomorrow with an evening launch!!!
(https://img.novosti-kosmonavtiki.ru/157428.jpg)
ЦитироватьЗловредный пишет:Как минимум - http://www.ulalaunch.com/webcast
Есть уже ссылки на будущую трансляцию?
| | Event | Time (hr:min:sec) | EDT | UTC | MSK |
| 1 | RS-68A Engine Ignition | -0:00:05.0 | 19:43:55.0 | 23:43:55.0 | 02:43:55.0 |
| | Liftoff (Thrust to Weight > 1) | 0:00:00.0 | 19:44:00.0 | 23:44:00.0 | 02:44:00.0 |
| | Begin Pitch/Yaw/Roll Maneuver | 0:00:07.0 | 19:44:07.0 | 23:44:07.0 | 02:44:07.0 |
| | Maximum Dynamic Pressure | 0:00:46.1 | 19:44:46.1 | 23:44:46.1 | 02:44:46.1 |
| 2 | SRM 3,4 Burnout | 0:01:32.8 | 19:45:32.8 | 23:45:32.8 | 02:45:32.8 |
| | SRM 1,2 Burnout | 0:01:35.1 | 19:45:35.1 | 23:45:35.1 | 02:45:35.1 |
| | SRM Jettison 1 | 0:01:40.1 | 19:45:40.1 | 23:45:40.1 | 02:45:40.1 |
| | SRM Jettison 2 | 0:01:42.4 | 19:45:42.4 | 23:45:42.4 | 02:45:42.4 |
| 3 | Payload Fairing Jettison | 0:03:14.6 | 19:47:14.6 | 23:47:14.6 | 02:47:14.6 |
| 4 | Booster Engie Cutoff (BECO) | 0:03:56.5 | 19:47:56.5 | 23:47:56.5 | 02:47:56.5 |
| 5 | First Stage Separation | 0:04:03.1 | 19:48:03.1 | 23:48:03.1 | 02:48:03.1 |
| 6 | Main Engine Start (MES-1) | 0:04:16.1 | 19:48:16.1 | 23:48:16.1 | 02:48:16.1 |
| 7 | Main Engine Cutoff (MECO-1) | 0:19:53.6 | 20:03:53.6 | 00:03:53.6 | 03:03:53.6 |
| 8 | Second Main Engine Start (MES-2) | 0:29:26.6 | 20:13:26.6 | 00:13:26.6 | 03:13:26.6 |
| 9 | Second Main Engine Cutoff (MECO-2) | 0:32:35.3 | 20:16:35.3 | 00:16:35.3 | 03:16:35.3 |
| 10 | WGS-9 Separation | 0:41:45.6 | 20:25:45.6 | 00:25:45.6 | 03:25:45.6 |
| 11 | Third Main Engine Start (MES-3) | 1:11:44.6 | 20:55:44.6 | 00:55:44.6 | 03:55:44.6 |
| 12 | Third Main Engine Cutoff (MECO-3) | 1:11:54.8 | 20:55:54.8 | 00:55:54.8 | 03:55:54.8 |
| 13 | Ocean Impact | 12:12:09.6 | 07:56:09.6 | 11:56:09.6 | 14:56:09.6 |
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 7 мин. назад (https://twitter.com/torybruno/status/843094657684840448)
Looking good for tonight. Pgo at 90%. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185971.jpg) 45th Space Wing @45thSpaceWing (https://twitter.com/45thSpaceWing) 3 ч. назад (https://twitter.com/45thSpaceWing/status/843055690583281664)
Tonight a #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) will launch the #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) from pad 37B! Join us back here at 6:44 p.m. for our 60 min countdown!
(https://img.novosti-kosmonavtiki.ru/157436.jpg)
Цитировать03/18/2017 17:02 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196189771?url=https://v.24liveblog.com/live/?id=1379470)
It is a gorgeous spring morning in Florida and the countdown is underway for this evening's liftoff of the United Launch Alliance Delta 4 rocket to place the Wideband Global SATCOM satellite No. 9 into a supersynchronous transfer orbit.
Launch time from Complex 37 at the Cape Canaveral Air Force Station is 7:44 p.m. EDT (2344 GMT).
At this hour, photographers are en route to the launch complex to set up their sound-activated cameras that will capture liftoff tonight.
ЦитироватьWatch live! Launch broadcast begins March 18 at 7:24 p.m. EDT.
• Click here (http://www.ulalaunch.com/webcast.aspx) to watch via the ULA website.
• Click here (https://youtu.be/SyFXqIskFBw) to watch via YouTube.
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 7 мин. назад (https://twitter.com/ulalaunch/status/843119633708302337)
The #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) with #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)! Mobile Service Tower will roll back in about 30 mins. Launch @ 7:44ET TONIGHT! @BoeingDefense (https://twitter.com/BoeingDefense) @usairforce (https://twitter.com/usairforce)
(https://img.novosti-kosmonavtiki.ru/157445.jpg)
ЦитироватьULA Delta IV tasked with WGS-9 launch
March 18, 2017 by William Graham
(https://img.novosti-kosmonavtiki.ru/209080.jpg)
United Launch Alliance's first Delta IV launch of 2017 will carry a Wideband Global Satcom spacecraft (WGS-9) into orbit Saturday. The lift off from Cape Canaveral Air Force Station will occurr during a 75-minute launch window that opens at 19:44 local time (23:44 UTC).
Delta IV Launch:
Saturday's launch will deploy the ninth satellite of the US Air Force's Wideband Global Satcom (WGS) constellation. WGS-9, which was purchased for the Air Force by a group of other nations in exchange for access to the WGS system, will join the eight satellites already in orbit which launched between 2007 and 2016.Спойлер
Boeing was awarded a contract to develop the WGS system – with two satellites and an option for a third – in 2001, with the first launch scheduled for 2004. The option in the contract was converted to a firm order for a third spacecraft early in 2003.
(https://img.novosti-kosmonavtiki.ru/209013.jpg)
The WGS program – named Wideband Gapfiller Satellite until 2007 – was initiated to augment the Defence Satellite Communications System (DSCS), providing new and enhanced capabilities and replacing older satellites as they reached the end of their operational lives. WGS spacecraft provide more than ten times the bandwidth of their predecessors – with a single spacecraft having greater bandwidth than the entire DSCS constellation combined. DSCS and WGS would have been replaced by the Transformational Satellite System (TSAT) constellation, however this was canceled in 2009.
Even before TSAT was canceled, the Air Force had begun to expand WGS; increasing the planned number of satellites from three to five in 2006. The Australian government agreed to finance a sixth satellite in exchange for access to the whole constellation, and this was ordered in October 2007. From the fourth satellite onwards the spacecraft have been upgraded with radio frequency (RF) bypass functionality for applications requiring extremely high bandwidth, such as unmanned aerial vehicles (UAVs) deployed on reconnaissance missions.
Four further satellites, including the WGS-9 spacecraft which will launch on Saturday, were ordered between 2010 and 2012. These are designated as Block II Follow-On missions. From WGS-8 onwards, the satellites have been equipped with an upgraded digital channelizers, almost doubling the available downlink bandwidth.
(https://img.novosti-kosmonavtiki.ru/209014.jpg)
Built by Boeing, WGS satellites are based on the BSS-702 platform and designed for fourteen years of service. Each spacecraft is equipped with an Aerojet Rocketdyne R-4D-15 High Performance Apogee Thruster (HiPAT) to perform insertion into geosynchronous orbit and four Xenon-Ion Propulsion System (XIPS-25) thrusters for stationkeeping.
The WGS-9 satellite carries X and Ka-band transponders. The satellite will use a phased array antenna to provide eight jam-resistant X-band beams, while ten individual antennae will provide Ka-band beams. An additional X-band payload will be used to provide Earth coverage. The satellite can support 8.088 gigahertz of bandwidth, with an expected downlink speed of up to 11 Gbps.
The first WGS satellite, USA-195 or WGS-1, launched aboard an Atlas V 421 in October 2007. The second satellite was also deployed by an Atlas, launching in April 2009.
Beginning with the third launch – in December 2009 – the Delta IV has been used for all subsequent launches, flying in the Delta IV Medium+(5,4) configuration.
(https://img.novosti-kosmonavtiki.ru/209017.jpg) (http://www.orbitalatk.com/)
This version of the Delta IV uses a single Common Booster Core first stage, four GEM-60 solid rocket motors and a five-metre Delta Cryogenic Second Stage (DCSS).
The Delta IV was developed by Boeing under the US Air Force's Evolved Expendable Launch Vehicle (EELV) program. Boeing inherited the Delta IV design from McDonnell Douglas in a 1997 merger, having had its own EELV proposal rejected the previous year. The Delta IV first flew in November 2002, three months after Lockheed Martin's rival design, the Atlas V, which was developed under the same program.
In 2003, following revelations that Boeing had illegally obtained tens of thousands of pages of documents from Lockheed Martin during the initial competition for EELV launch contracts, the Department of Defense (DoD) moved several launches which had been awarded to Boeing to the Atlas V and temporarily suspended Boeing from bidding for new launch contracts.
The dispute was resolved when the companies agreed to merge their launch operations, forming United Launch Alliance in December 2006 to offer Delta II, Delta IV and Atlas V launches to the US Government.
(https://img.novosti-kosmonavtiki.ru/209016.jpg)
Saturday's launch will be the thirty-fifth flight of the Delta IV, which has achieved thirty-three successful launches in its previous missions.
The Delta IV Medium+(5,4) configuration has only been used for WGS launches. It is one of five configurations in which the Delta IV has launched; the Medium, which had a single core, no solid rocket motors and a four-metre DCSS, was the smallest version. Used for two launches in 2003 and a third in 2006, it is now effectively retired as no launches are scheduled and no new medium-class payloads are being assigned to the Delta.
The largest configuration, the Delta IV Heavy, uses three cores and a five-metre upper stage. Three intermediate, or Medium+, configurations – the M+(4,2), M+(5,2) and M+(5,4) – are used to launch intermediate payloads. These add two solid rocket motors, a five-metre upper stage and two further solid rocket motors respectively to the single-core vehicle.
United Launch Alliance intends to retire the single-core version of the Delta IV by 2019, with the Atlas V launching all medium and intermediate-class payloads until the introduction of a new rocket, Vulcan, which will replace both the Atlas V and Delta IV.
(https://img.novosti-kosmonavtiki.ru/208959.webp)
The Delta IV Heavy will remain flying until Vulcan has been upgraded to carry the US military's heaviest payloads, which can currently only fly aboard the Delta. Saturday's launch will be the second-to-last flight for the Delta IV Medium+(5,4).
The Delta IV will depart from Space Launch Complex 37B at the Cape Canaveral Air Force Station (CCAFS). The Delta launch complex is built on the site of a pad which was used in the 1960s for early test flights supporting the Apollo program.
The original Launch Complex 37B was the site of the first orbital launch of the Saturn I rocket, SA-5, in January 1964, before five further launches with boilerplate Apollo spacecraft. After the Saturn I was retired, two Saturn IB launches were made from LC-37B, the first testing the rocket's S-IVB stage in orbit and the second, Apollo 5, marked the first unmanned test flight of the Apollo Lunar Module.
The Saturn launch complex having been demolished in the 1970s, Delta's launch pad at Complex 37 was constructed in preparation for the Delta IV's maiden flight, which occurred from SLC-37B in November 2002.
Saturday's launch will begin with ignition of the Delta IV's RS-68A main engine, five seconds before the countdown reaches zero. Burning liquid hydrogen and liquid oxygen, the RS-68A powers the Common Booster Core (CBC) that form's Delta's first stage. At the zero-second mark in the countdown, the four GEM-60 solid rocket motors will ignite, and the rocket – whose mission number is Delta 377 – will lift off.
Seven seconds into its flight, Delta 377 will begin a series of pitch, yaw and roll manoeuvres to place it on course for orbit. The rocket will fly east downrange along an azimuth of 93.46 degrees, passing through the area of maximum dynamic pressure – Max-Q – 46.1 seconds after liftoff.
(https://img.novosti-kosmonavtiki.ru/209018.jpg)
The solid rocket motors will begin to burn out 92.8 seconds after launch, with boosters three and four burning out 2.3 seconds ahead of boosters one and two. The two pairs of boosters will separate eight seconds after their respective burnouts.
Three minutes and 14.6 seconds into the mission, the payload fairing will separate from around the WGS-9 satellite at the nose of the rocket. By this point, the rocket will have cleared the lower regions of Earth's atmosphere and the fairing will no longer be needed to protect the spacecraft.
The Common Booster Core will complete its burn three minutes and 56.5 seconds after liftoff. The spent stage will be jettisoned 6.6 seconds later. After stage separation, the second stage – a five-metre Delta Cryogenic Second Stage (DCSS) – will deploy the extendible nozzle of its RL10B-2 engine ahead of ignition. The RL10B-2 will ignite thirteen seconds after staging to begin its first burn.
(https://img.novosti-kosmonavtiki.ru/209015.jpg)
The DCSS, which like the first stage burns liquid hydrogen and liquid oxygen, will make two burns to deploy WGS-9 into its planned orbit, with a third burn after spacecraft separation to deorbit itself. The first burn will be the longest, lasting fifteen minutes and 37.5 seconds, and will establish the rocket in an initial parking orbit. Nine minutes and 33 seconds after the first burn ends the second will begin, raising the apogee of Delta 377's orbit. This burn will last three minutes and 9.7 seconds.
Spacecraft separation will occur at 41 minutes, 45.6 seconds mission elapsed time, nine minutes and 10.3 seconds after the end of the second burn. WGS-9 will be deployed into a supersynchronous transfer orbit with a perigee of 435 kilometers (270 miles, 235 nautical miles), an apogee of 44,372 kilometres (27,572 miles, 23,959 nautical miles) and an inclination of 27 degrees to the equator. From this orbit, the satellite will use its R-4D apogee motor to raise itself into geostationary orbit.
The second stage will begin its third and final burn twenty-nine minutes and 59 seconds after spacecraft separation.
(https://img.novosti-kosmonavtiki.ru/209019.jpg)
This ten-second deorbit burn will lower its orbit's perigee so that the stage reenters Earth's atmosphere at the end of its first orbit. Because of the orbit's high apogee, the stage will take another eleven hours to complete this one revolution, while the Earth rotates underneath such that the stage will reenter over the western Pacific. ULA states that the expected impact time for any debris surviving reentry will be twelve hours, twelve minutes and 9.6 seconds mission elapsed time.
Saturday's launch is the third of the year for United Launch Alliance, who conducted Atlas V launches in January and early March to deploy the SBIRS-GEO-3 missile-detection satellite and NROL-79 – a pair of Intruder signals intelligence satellites – respectively. ULA's next launch is scheduled for next Saturday, with another Atlas V due to carry the SS John Glenn – Orbital ATK's OA-7 Cygnus mission to resupply the International Space Station.
The next Delta launch is scheduled for September, with the National Oceanic and Atmospheric Administration's (NOAA) JPSS-1 weather satellite lifting off aboard the penultimate flight of ULA's venerable Delta II rocket. The Delta IV's next launch will occur in October, with the NROL-47 satellite, which is expected to be a Topaz radar imaging spacecraft.
Only one further WGS satellite, WGS-10, is currently scheduled for launch. This is slated to lift off in 2019, aboard the final single-core Delta IV launch.
(Images via ULA).[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 2 мин. назад (https://twitter.com/ulalaunch/status/843128646265180162)
#DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) emerges as the Mobile Service Tower rolls back. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) mission to launch tonight! Launch window is 7:45-8:59pmEDT
(https://img.novosti-kosmonavtiki.ru/157447.jpg)
Цитировать03/18/2017 19:08 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196192778?url=https://v.24liveblog.com/live/?id=1379470)
(Pic by Walter Scriptunas II)
(https://cdn5.24live.co/images/2017/03/19/1489853302353966.jpg) (http://24liveblog.com/show?img=//cdn5.24live.co/images/2017/03/19/1489853302353966.jpg)
Цитировать03/18/2017 19:10 Gantry rolled back for launch (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196192847?url=https://v.24liveblog.com/live/?id=1379470)
The 330-foot-tall mobile service tower has been retracted at Cape Canaveral's pad 37B for this evening's launch of the Delta 4 rocket that will place the Wideband Global SATCOM satellite No. 9 into space for the U.S. military and allied nations.Спойлер
The wheeled structure moved along rail tracks to its launch position about the length of a football field away from the rocket. The 9-million pound tower shielded the Delta from the elements during the its stay on the pad, provided workers 360-degree access to the various areas on the vehicle and was used to attach the solid rocket boosters and payload during the launch campaign. The tower is 90 feet wide and 40 feet deep.
Crews will spend the next couple of hours securing the complex for launch before leaving the danger area around the pad. All workers must be clear of the area for the start of hazardous operations in the countdown, which include fueling the Delta 4's first and second stages with supercold liquid oxygen and liquid hydrogen propellants.
Testing of communications links between the rocket and Air Force Eastern Range will occur after fueling is accomplished. Steering checks of the RS-68A engine and upper stage RL10B-2 powerplant are on tap in the last hour of the count.
A build-in hold is slated for T-minus 4 minutes, during which time teams will go through final polling to grant clearance to launch. The Delta 4 will transition to internal power as the count resumes, ordnance will be armed and the propellant tanks pressurized as clocks target the main engine ignition time at T-minus 5 seconds.
Liftoff remains scheduled for 7:44 p.m. EDT (2344 GMT).
"The WGS 9 launch marks a significant occasion for the WGS
constellation as it is the fielding of a satellite procured under a
partnership with Canada, Denmark, the Netherlands, Luxembourg, and New
Zealand providing not only U.S. forces, but also our international partners with enhanced communications capabilities and increased coverage," said Lt. Gen. Samuel Greaves, commander of the Air Force's Space and Missile Systems Center.[свернуть]
Цитировать03/18/2017 19:28 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196193329?url=https://v.24liveblog.com/live/?id=1379470)
The mobile service tower has been secured in its launch position.
Цитировать03/18/2017 19:43 L-7 hours and counting (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196193738?url=https://v.24liveblog.com/live/?id=1379470)
Today marks the 35th flight for Delta 4, born of the Air Force's competition to develop next-generation Evolved Expendable Launch Vehicles. In its previous 34 missions since debuting in November 2002, the Delta 4 has flown 19 flights dedicated to the Defense Department, 10 for the National Reconnaissance Office and 5 commercial missions.Спойлер
(https://cdn5.24live.co/images/2017/03/19/1489854535436205.jpg) (http://24liveblog.com/show?img=//cdn5.24live.co/images/2017/03/19/1489854535436205.jpg)[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/185009.jpg) AF Space Command @AFSpace (https://twitter.com/AFSpace) 3 мин. назад (https://twitter.com/AFSpace/status/843143974881820673)
Live stream of tonight's launch will be available on http://www.af.mil (https://t.co/ui4Ez4xNXt). Be there. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/18/2017 20:43 L-6 hours and counting (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196194919?url=https://v.24liveblog.com/live/?id=1379470)
Now 6 hours till launch. The countdown is proceeding well and the launch team is not reporting any issues. A full weather briefing to mission managers will occur in about an hour.
ЦитироватьDelta IV Countdown TimelineСпойлер
Time[/TH] [TH]Event[/TH][/TR][TR][TD]L-08:00:00[/TD][TD]Mobile Service Tower Retraction Weather Briefing[/TD][/TR][TR][TD]L-08:00:00[/TD][TD]Mobile Service Tower Retraction Start[/TD][/TR][TR][TD]L-05:30:00[/TD][TD]Launch Pad Evacuation, Road Blocks Set[/TD][/TR][TR][TD]L-05:00:00[/TD][TD]Blast Danger Area Clear[/TD][/TR][TR][TD]L-05:00:00[/TD][TD]Tanking Weather Briefing[/TD][/TR][TR][TD]04:15:00[/TD][TD]Countdown Clock Initialization[/TD][/TR][TR][TD]HOLDING[/TD][TD]Countdown Initiation[/TD][/TR][TR][TD]HOLDING[/TD][TD]Countdown Briefing[/TD][/TR][TR][TD]L-04:33:00[/TD][TD]Go/No GO for Propellant Loading[/TD][/TR][TR][TD]04:15:00[/TD][TD]Redundant Inertial Flight Control Assembly Activation[/TD][/TR][TR][TD]04:15:00[/TD][TD]Cryogenic Tanking begins[/TD][/TR][TR][TD]04:15:00[/TD][TD]Common Booster Core LH2 Tank Chilldown[/TD][/TR][TR][TD]03:55:00[/TD][TD]Common Booster Core LH2 Loading in Slow Fill[/TD][/TR][TR][TD]03:45:00[/TD][TD]CBC LH2 Load Transitions to Fast Fill[/TD][/TR][TR][TD]03:45:00[/TD][TD]Common Booster Core LOX Tank Chilldown[/TD][/TR][TR][TD]03:35:00[/TD][TD]Common Booster Core LOX Loading in Slow Fill[/TD][/TR][TR][TD]03:30:00[/TD][TD]CBC LOX Load Transition to Fast Fill[/TD][/TR][TR][TD]03:20:00[/TD][TD]C-Band Beacon Checkouts, GPS Verifications[/TD][/TR][TR][TD]03:10:00[/TD][TD]Delta Cryogenic Upper Stage LH2 Tank Chilldown[/TD][/TR][TR][TD]03:10:00[/TD][TD]Guidance System Activation[/TD][/TR][TR][TD]02:55:00[/TD][TD]CBC LH2 Topping – Fill & Drain Valve Checks[/TD][/TR][TR][TD]02:50:00[/TD][TD]DCSS LH2 Loading[/TD][/TR][TR][TD]02:40:00[/TD][TD]CBC LOX Topping – Fill & Drain Valve Checks[/TD][/TR][TR][TD]02:30:00[/TD][TD]Delta Cryogenic Upper Stage LOX Tank Chilldown[/TD][/TR][TR][TD]02:30:00[/TD][TD]Launch Weather Briefing[/TD][/TR][TR][TD]02:20:00[/TD][TD]DCSS LOX Loading[/TD][/TR][TR][TD]01:45:00[/TD][TD]DCSS LH2 Topping[/TD][/TR][TR][TD]01:20:00[/TD][TD]DCSS LOX Topping[/TD][/TR][TR][TD]01:10:00[/TD][TD]Radio/Telemetry Link Checks, FTS Checks[/TD][/TR][TR][TD]00:55:00[/TD][TD]Command Receiver Decoder Testing[/TD][/TR][TR][TD]00:50:00[/TD][TD]RS-68 Engine Spin Start Pressurization[/TD][/TR][TR][TD]00:50:00[/TD][TD]RS-68 Gimbal Steering Checks[/TD][/TR][TR][TD]00:45:00[/TD][TD]Flight Termination System Testing complete[/TD][/TR][TR][TD]00:15:00[/TD][TD]Weather Briefing[/TD][/TR][TR][TD]00:08:00[/TD][TD]Launch Pad Ordnance Armed[/TD][/TR][TR][TD]T-4 Minutes & HOLDING[/TD][TD]Variable Hold & Recycle Point[/TD][/TR][TR][TD]L-0:09:30[/TD][TD]Delta IV Ready for Spacecraft to Internal Power[/TD][/TR][TR][TD]L-0:07:00[/TD][TD]Final Status Polls[/TD][/TR][TR][TD]L-0:06:00[/TD][TD]Launch Director GO/No GO; Range Clear[/TD][/TR][TR][TD]L-0:05:00[/TD][TD]Confirm Solar Weather is Go for Launch[/TD][/TR][TR][TD]L-0:05:00[/TD][TD]Delta IV Swingarm Lockpins pulled for Rapid Retract[/TD][/TR][TR][TD]00:04:00[/TD][TD]Delta IV to internal Power[/TD][/TR][TR][TD]00:04:00[/TD][TD]Arm Safe and Arm Switches[/TD][/TR][TR][TD]00:04:00[/TD][TD]DCSS Tank Propellant Securing[/TD][/TR][TR][TD]00:03:30[/TD][TD]Transfer to Internal complete[/TD][/TR][TR][TD]00:03:30[/TD][TD]Common Booster Core Propellant Tank Securing[/TD][/TR][TR][TD]00:03:15[/TD][TD]CBC Pre-Press[/TD][/TR][TR][TD]00:03:00[/TD][TD]Common Booster Core LOX secure at Flight Level[/TD][/TR][TR][TD]00:03:00[/TD][TD]Common Booster Core LH2 secure at Flight Level[/TD][/TR][TR][TD]00:03:00[/TD][TD]Vehicle Ordnance Arming[/TD][/TR][TR][TD]00:03:00[/TD][TD]CBC LOX at Flight Level and Flight Pressure[/TD][/TR][TR][TD]00:02:00[/TD][TD]Master Script Running[/TD][/TR][TR][TD]00:02:00[/TD][TD]Second Stage LOX Securing[/TD][/TR][TR][TD]00:02:00[/TD][TD]Hydraulic System to Flight Pressure[/TD][/TR][TR][TD]00:01:45[/TD][TD]CBC LH2 at Flight Level and Flight Pressure[/TD][/TR][TR][TD]00:01:30[/TD][TD]Second Stage LOX secured at Flight Level[/TD][/TR][TR][TD]00:01:20[/TD][TD]Second Stage LH2 Securing[/TD][/TR][TR][TD]00:01:20[/TD][TD]LOX Ground Support Equipment secured[/TD][/TR][TR][TD]00:01:00[/TD][TD]Range Verification[/TD][/TR][TR][TD]00:00:50[/TD][TD]Second Stage LH2 secure at Flight Level[/TD][/TR][TR][TD]00:00:45[/TD][TD]Launch Enable[/TD][/TR][TR][TD]00:00:45[/TD][TD]Main Power Off[/TD][/TR][TR][TD]00:00:25[/TD][TD]Green Board[/TD][/TR][TR][TD]00:00:15[/TD][TD]Launch Vehicle Igniters armed[/TD][/TR][TR][TD]00:00:14[/TD][TD]Radially Outward Firing Initiators Ignition[/TD][/TR][TR][TD]00:00:10[/TD][TD]Terminal Countdown Sequencer in Control[/TD][/TR][TR][TD]0:00:05.5[/TD][TD]RS-68 LH2 Valve Open[/TD][/TR][TR][TD]0:00:02.0[/TD][TD]RS-68 LOX Valve Open[/TD][/TR][TR][TD]0:00:02.0[/TD][TD]RS-68 Main Engine to Full Thrust Level – 102%[/TD][/TR][TR][TD]0:00:00.04[/TD][TD]Launch Commit[/TD][/TR][TR][TD]0:00:00.04[/TD][TD]Booster Ignition Command[/TD][/TR][TR][TD]0:00:00.00[/TD][TD]Hold-Down Release[/TD][/TR][TR][TD]0:00:00.00[/TD][TD]LIFTOFF[/TD][/TR][/TABLE]
[TH] [свернуть]
Цитировать03/18/2017 21:08 'Clear the complex' (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196195340?url=https://v.24liveblog.com/live/?id=1379470)
At the launch pad, all of the hands-on work has been completed and the clearing of personnel is underway in preparation for the start of fueling operations this afternoon and liftoff at 7:44 p.m. EDT (2344 GMT).
Цитировать(https://img.novosti-kosmonavtiki.ru/185890.jpg) SMC Commander @SMC_CC (https://twitter.com/SMC_CC) 47 мин назад (https://twitter.com/SMC_CC/status/843154627042267137)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) on #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) sits on the pad; @AF_SMC (https://twitter.com/AF_SMC) & mission partners @ulalaunch (https://twitter.com/ulalaunch) @BoeingDefense (https://twitter.com/BoeingDefense) @45thSpaceWing (https://twitter.com/45thSpaceWing) continue prep for tonight's mission
(https://img.novosti-kosmonavtiki.ru/157439.jpg)
Цитировать03/18/2017 21:24 Weather forecast now better than 90% GO (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196195589?url=https://v.24liveblog.com/live/?id=1379470)
In the pre-fueling weather update, all conditions are favorable at Cape Canaveral for liftoff of the United Launch Alliance Delta 4 rocket.
The odds of acceptable weather for an on-time launch this evening at 7:44 p.m. EDT (2344 GMT) are "greater than" 90 percent. The outlook calls for just a few clouds, acceptable winds and a temperature of 66 degrees F.
Development of cumulus clouds is the only real concern, but meteorologists say it is unlikely with today's atmospheric conditions.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 2 мин. назад (https://twitter.com/SpaceflightNow/status/843166684278145024)
The odds of acceptable weather for today's Delta 4 launch of #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) improved to "greater than" 90 percent GO https://spaceflightnow.com/2017/03/17/d377_journal/ ... (https://t.co/KvN6GUa4DQ)
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Цитировать03/18/2017 21:28 Countdown in built-in hold (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196195659?url=https://v.24liveblog.com/live/?id=1379470)
T-minus 4 hours, 15 minutes and holding. The countdown has entered a 30-minute-long built-in hold, a pre-planned pause designed to give the team time to catch up on any work that could be running behind schedule. Once the clocks resume ticking, the main countdown for this evening's launch operation will begin.
Цитировать03/18/2017 21:49 'Man stations for cryogenic tanking' (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196196002?url=https://v.24liveblog.com/live/?id=1379470)
The launch team is reporting on station for the start of fueling operations. Some 170,000 gallons of cryogenic liquid hydrogen and liquid oxygen will be loaded today.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 36 сек. назад (https://twitter.com/S101_Live/status/843172819756351489)
The first several hours of the countdown are filled with hands-on work at the pad – propellant loading preparations & vehicle close-outs.
Цитировать03/18/2017 21:57 GO to fuel (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196196130?url=https://v.24liveblog.com/live/?id=1379470)
Team is GO to begin fueling operations right on schedule.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 59 сек. назад (https://twitter.com/SpaceflightNow/status/843174551995539457)
Launch team is GO to load 170,000 gallons of fuel into Delta 4 this afternoon for #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) https://spaceflightnow.com/2017/03/17/d377_journal/ ... (https://t.co/KvN6GUa4DQ) (@scriptunasphoto (https://twitter.com/scriptunasphoto) pic)
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Цитировать03/18/2017 21:59 Countdown has resumed (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196196175?url=https://v.24liveblog.com/live/?id=1379470)
T-minus 4 hours, 15 minutes and counting. The team is ready for cryogenic fueling as the countdown is underway for today's opportunity to launch the Delta 4 rocket with the Wideband Global SATCOM satellite.
A final 30-minute planned hold is scheduled into the countdown at the T-minus 4 minute mark.
Liftoff remains targeted for 7:44 p.m. EDT (2344 GMT).
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 57 сек. назад (https://twitter.com/S101_Live/status/843175169103421446)
T-4 Hours 15 Minutes & Counting. Clocks are now ticking as Terminal Countdown Ops for today's Delta IV launch start. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 32 сек. назад (https://twitter.com/S101_Live/status/843176091112022016)
The first step is the activation of Delta IV's RIFCA – Redundant Inertial Flight Control Assembly, the heart of the Flight Control System.
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 21 сек.назад (https://twitter.com/ulalaunch/status/843179933061058565)
#DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) cryogenic fueling operations underway! Launch at 7:44pmEDT; broadcast at 7:24pmEDT. http://bit.ly/div_wgs9 (https://t.co/khdugOXMbE)
Цитировать03/18/2017 22:23 Fueling ops underway (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196196575?url=https://v.24liveblog.com/live/?id=1379470)
A "go" has been given to start the cold gas chilldown conditioning of the liquid hydrogen system. This is the precursor to filling the vehicle with propellant.
Цитировать(https://img.novosti-kosmonavtiki.ru/185877.jpg) /r/ULA @_r_ULA (https://twitter.com/_r_ULA) 3 мин. назад (https://twitter.com/_r_ULA/status/843180918252720128)
.@AerojetRdyne (https://twitter.com/AerojetRdyne) @OrbitalATK (https://twitter.com/OrbitalATK) The 5-meter diameter Delta Cryogenic Second Stage is powered by a single @AerojetRdyne (https://twitter.com/AerojetRdyne) RL10B-2 engine.
(https://img.novosti-kosmonavtiki.ru/185877.jpg) /r/ULA @_r_ULA (https://twitter.com/_r_ULA) 4 мин.4 минуты назад (https://twitter.com/_r_ULA/status/843180768868233217)
The first stage is powered by an @AerojetRdyne (https://twitter.com/AerojetRdyne) RS-68A engine with four @OrbitalATK (https://twitter.com/OrbitalATK) GEM-60 solid rocket motors.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 2 мин. назад (https://twitter.com/S101_Live/status/843186214366859264)
The Range Countdown Sequence is now starting at the Morrell Operations Center as controllers monitor range assets & corridor clearance #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/18/2017 22:55 CBC LH2 tanking begins (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197099?url=https://v.24liveblog.com/live/?id=1379470)
The cold gas chilldown conditioning of the liquid hydrogen system has been accomplished. Liquid hydrogen propellant will begin to flow into the Common Booster Core in "slow-fill" mode. That is sped up to "fast-fill" after a small portion of the tank is loaded.
Chilled to Minus-423 degrees Fahrenheit, the liquid hydrogen will be consumed by the RS-68A main engine along with liquid oxygen during the first four minutes of the launch.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 2 мин. назад (https://twitter.com/SpaceflightNow/status/843189179139997701)
Fueling starting! Loading 110,000 gallons of liquid hydrogen for Delta 4 first stage underway at the Cape for #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) https://spaceflightnow.com/2017/03/17/d377_journal/ ... (https://t.co/KvN6GUa4DQ)
Цитировать03/18/2017 23:00 CBC LOX chilldown (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197142?url=https://v.24liveblog.com/live/?id=1379470)
And now the chilldown of the liquid oxygen system on Delta's Common Booster Core is starting. This preps the tank and pumping to guard against shock when the supercold oxidizer begins flowing into the rocket a short time from now. The first stage will be loaded with 40,000 gallons of supercold LOX.
Цитировать03/18/2017 23:11 Upper stage LH2 chilldown (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197257?url=https://v.24liveblog.com/live/?id=1379470)
The launch team is preparing to start fueling the Delta 4 rocket's upper stage. And with that the "go" has been given to start the chilldown conditioning of the upper stage liquid hydrogen system.
Цитировать03/18/2017 23:20 CBC LOX tanking (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197342?url=https://v.24liveblog.com/live/?id=1379470)
The CBC liquid oxygen chilldown is complete. "Slow-fill" mode is beginning to load a small percentage of the tank. The process then speeds up to the "fast-fill" mode until the tank is nearly full.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 1 мин. назад (https://twitter.com/SpaceflightNow/status/843195507304488960)
Delta 4's Common Booster Core first stage now being filled with 40,000 gallons of liquid oxygen to launch #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) https://spaceflightnow.com/2017/03/17/d377_journal/ ... (https://t.co/KvN6GUa4DQ)
(https://img.novosti-kosmonavtiki.ru/157454.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 2 мин. назад (https://twitter.com/S101_Live/status/843196017080176640)
Prop load is underway on the Common Booster Core, receiving 29,500kg of -253°C Liquid Hydrogen & 172,500kg of -183°C Liquid Oxygen. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
ЦитироватьPhotos: Launch pad gantry retracted from Delta 4 rocket
March 18, 2017 (https://spaceflightnow.com/2017/03/) Justin Ray (https://spaceflightnow.com/author/justin-sfn-ray/)
The 330-foot-tall mobile service tower is rolled away from the United Launch Alliance Delta 4 rocket at Cape Canaveral's pad 37B in the hours before the scheduled liftoff. The 9-million-pound gantry was retracted the length of a football field in preparation for launch of the Air Force's WGS 9 communications satellite into Earth orbit.Спойлер
Photo credit: United Launch Alliance
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Цитировать03/18/2017 23:37 Upper stage LOX chilldown (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197504?url=https://v.24liveblog.com/live/?id=1379470)
The "go" has been given for the upper stage liquid oxygen chilldown in advance of filling that tank.
Цитировать03/18/2017 23:39 Upper stage LH2 tanking (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197515?url=https://v.24liveblog.com/live/?id=1379470)
After chilldown of the upper stage liquid hydrogen system, the clear was given for loading the rocket's tank with 14,000 gallons. The launch team is actively filling the upper stage's liquid hydrogen tank with propellant for the RL10 engine.
Цитировать03/18/2017 23:44 L-3 hours and counting (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197545?url=https://v.24liveblog.com/live/?id=1379470)
Now three hours till launch. The Delta 4 rocket is being loaded with supercold liquid oxygen and liquid hydrogen as the countdown rolls on for launch at 7:44 p.m. EDT (2344 GMT).
Complex 37 has two giant sphere-shaped fuel tanks to store the cryogenic liquid oxygen and liquid hydrogen. The LOX tank holds 250,000 gallons and LH2 sphere about 850,000 gallons.
The cryogenics are fed from the storage tanks through pipelines to the pad. For the Common Booster Core, the propellants are routed up to the launch table upon which the rocket sits. Tail service masts, the large box-like structures at the base of the vehicle, feed the oxygen and hydrogen to the booster via separate umbilicals.
The upper stage receives its cryos from the middle swing arm that extends from the Fixed Umbilical Tower to the front-side of the rocket.
Цитировать03/18/2017 23:49 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197578?url=https://v.24liveblog.com/live/?id=1379470)
CBC liquid hydrogen loading is in "fast-fill" mode also. About 110,000 gallons of LH2 will fill the rocket's first stage.
Цитировать03/18/2017 23:49 Upper stage LOX tanking (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197579?url=https://v.24liveblog.com/live/?id=1379470)
Chilldown of the upper stage liquid oxygen system is complete for loading the rocket's tank with 6,000 gallons of supercold LOX.
This is the last of the rocket's four cryogenic supplies to be filled in today's countdown to launch.
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 2 мин. назад (https://twitter.com/torybruno/status/843203669646438400)
Looking good for tonight. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 59 сек. назад (https://twitter.com/S101_Live/status/843205433506627584)
LOX and LH2 now flowing into the Delta Cryogenic Second Stage, holding 27,220 Kilograms of prop at liftoff. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 00:06 CBC LH2 loaded (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197673?url=https://v.24liveblog.com/live/?id=1379470)
Fast-filling of the CBC liquid hydrogen tank has completed. After post-filling checks and valve tests, the tank will be placed in topping mode. The launch team will confirm the propellant is conditioned for flight.
Цитировать03/19/2017 00:11 CBC LOX loaded (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197699?url=https://v.24liveblog.com/live/?id=1379470)
The CBC liquid oxygen loading just finished. The tank has been loaded with its supercold oxidizer that is chilled to Minus-298 degrees F. Topping will be completed as the count rolls on.
Цитировать03/19/2017 00:14 Weather improved to 100% GO (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197714?url=https://v.24liveblog.com/live/?id=1379470)
The odds of GO weather for Delta 4 have increased to 100 percent. Forecasters are expecting fair skies, good visibility, acceptable winds and a temperature of 66 degrees F.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 55 сек. назад (https://twitter.com/SpaceflightNow/status/843209805577814016)
Odds of GO weather for Delta 4 this evening at Cape Canaveral upped to 100% http://live.spaceflightnow.com/status.html (https://t.co/fmBWyI0Jp2) (@scriptunasphoto (https://twitter.com/scriptunasphoto) pic)
(https://img.novosti-kosmonavtiki.ru/157467.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 3 мин. назад (https://twitter.com/S101_Live/status/843208823968030720)
The 1st stage has entered topping on both tanks. Fill&drain valve cycle tests are completed on each tank to ensure no valve is sticky. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 3 мин. назад (https://twitter.com/torybruno/status/843215015205208065)
Tanking continues. Delta is carbo loading for her big run. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 00:43 L-2 hours and counting (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197891?url=https://v.24liveblog.com/live/?id=1379470)
Two hours and counting! Still targeting 7:44 p.m. EDT (2344 GMT) for launch tonight.
This is the 9th satellite for the Wideband Global SATCOM military communications network that began launching in 2007. WGS is the backbone of the Defense Department's information grid that spans the world.
WGS 9 is an internationally-funded satellite backed by Canada, Denmark, the Netherlands, Luxembourg and New Zealand to collaborate with the U.S. It joins WGS 6 that was built with money from Australia.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 5 мин. назад (https://twitter.com/S101_Live/status/843216456452005889)
Now two hours to the opening of the 75-minute launch window at 23:44 UTC. Weather will not be an issue tonight http://bit.ly/2mGV3fA (https://t.co/LWwqqBYfmf) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 00:47 Upper stage LOX loaded (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196197921?url=https://v.24liveblog.com/live/?id=1379470)
Loading of the upper stage liquid oxygen tank has been accomplished.
Цитировать03/19/2017 00:58 Upper stage LH2 loaded (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198007?url=https://v.24liveblog.com/live/?id=1379470)
The vehicle is fully fueled! Loading of the upper stage liquid hydrogen tank has been accomplished as fueling wraps up this evening at Complex 37.
The 900,000-pound rocket stands fueled and ready for launch at 7:44 p.m. EDT (2344 GMT) from Cape Canaveral Air Force Station in Florida.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 4 мин. назад (https://twitter.com/SpaceflightNow/status/843220134592479233)
Delta 4 now stands fully fueled for flight. Cryo tanks been filled to boost #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) into space http://live.spaceflightnow.com/status.html (https://t.co/fmBWyI0Jp2) (@scriptunasphoto (https://twitter.com/scriptunasphoto) pic)
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Цитировать03/19/2017 01:13 L-90 minutes and counting (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198105?url=https://v.24liveblog.com/live/?id=1379470)
Now entering into the final 90 minutes of the countdown to launch of Delta 377 and the ninth Wideband Global SATCOM military communications satellite for the U.S. Air Force.
All is quiet in the launch control room, activities are on schedule and the team is not reporting any technical concerns.
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 56 сек. назад (https://twitter.com/torybruno/status/843225985378000896)
Cryo loading is complete. Board is green
Цитировать03/19/2017 01:24 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198164?url=https://v.24liveblog.com/live/?id=1379470)
Scans of the thermal insulation on the rocket following the completion of fueling have been performed with no concerns noted.
Цитировать(https://img.novosti-kosmonavtiki.ru/185396.jpg) Chris G - NSF (https://twitter.com/CwG_NSF)@CwG_NSF (https://twitter.com/CwG_NSF) 2 мин. назад (https://twitter.com/CwG_NSF/status/843226838495367169)
80mins to go! #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
(https://img.novosti-kosmonavtiki.ru/157465.jpg)
Цитировать03/19/2017 01:26 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198175?url=https://v.24liveblog.com/live/?id=1379470)
The flight slews and commanding tests for the vehicle steering systems are being performed. The Common Booster Core, the strap-on solid rocket motors and upper stage engine nozzle steering checks are being run through pre-launch test patterns.
Цитировать03/19/2017 01:32 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198200?url=https://v.24liveblog.com/live/?id=1379470)
Steering checks are complete.
Цитировать03/19/2017 01:43 L-60 minutes and counting (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198249?url=https://v.24liveblog.com/live/?id=1379470)
Now entering the final 60 minutes until the Delta 4 rocket launch from Cape Canaveral at 7:44 p.m. EDT (2344 GMT).Спойлер
Here's a look at some stats about the mission. This will be:[/li]
- The 377th Delta rocket launch since 1960
- The 35th Delta 4 rocket mission since 2002
- The 7th Medium+ (5,4) configuration to fly
- The 53rd main engine from RS-68 family used
- The 11th RS-68A main engine flown
- The 56th-57th-58th-59th GEM-60 solid rocket motors flown
- The 479th production RL10 engine to be launched
- The 38th RL10B-2 engine launched
- The 29th Delta 4 rocket launch from Cape Canaveral
- The 37th launch from Pad B at Complex 37
- The 20th use of Delta 4 by the Air Force
- The 105th Evolved Expendable Launch Vehicle flight
- The 118th United Launch Alliance mission since 2006
- The 85th ULA launch from Cape Canaveral
- The 47th ULA launch for the Air Force
- The 28th Delta 4 under the ULA banner
- The 3rd ULA launch this year
- The 1st launch of the Delta family in 2017
- The 9th Wideband Global SATCOM satellite
- The 3rd Block 2-Follow On WGS satellite
- The 7th WGS on Delta 4
[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 3 мин. назад (https://twitter.com/SpaceflightNow/status/843231581967974404)
L-60 minutes. This is 9th satellite for Wideband Global SATCOM military communications network that began in 2007 http://live.spaceflightnow.com/status.html (https://t.co/fmBWyI0Jp2)
(https://img.novosti-kosmonavtiki.ru/157472.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/185600.png) SpaceFlight Insider @SpaceflightIns (https://twitter.com/SpaceflightIns) 2 мин. назад (https://twitter.com/SpaceflightIns/status/843231563198414848)
Less than 1 hour to the opening of the launch window for @ULAlaunch (https://twitter.com/ulalaunch) #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash). Livestream begins in about 46 minutes.
Цитировать03/19/2017 01:52 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198270?url=https://v.24liveblog.com/live/?id=1379470)
RF link checks are complete and satisfactory.
Цитировать03/19/2017 01:55 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198279?url=https://v.24liveblog.com/live/?id=1379470)
Following topping, the propellant conditioning has been achieved for all four cryo tanks on the vehicle.
Цитировать03/19/2017 01:58 L-45 minutes and counting (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198291?url=https://v.24liveblog.com/live/?id=1379470)
Now 45 minutes till launch! Weather remains acceptable and no technical issues being worked with the rocket for the targeted liftoff at 7:44 p.m. EDT (2344 GMT). It is a very quiet countdown today.
A reminder that if you will be away from your computer but would like to receive occasional countdown updates, sign up for our Twitter feed (http://24liveblog.com/url?go=https://twitter.com/spaceflightnow) to get text message updates on your cellphone. U.S. readers can also sign up from their phone by texting "follow spaceflightnow" to 40404. (Standard text messaging charges apply.)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 2 мин. назад (https://twitter.com/S101_Live/status/843235310830084097)
Final activities prior to terminal count include propellant conditioning, flight software load, ordnance arming & final satellite preps.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 39 сек. назад (https://twitter.com/S101_Live/status/843236291407986688)
The Launch Team is beginning final preparations for the Automated Countdown now. RF Link Checks & FTS tests are complete. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 02:07 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198337?url=https://v.24liveblog.com/live/?id=1379470)
T-minus 6 minutes. Standing by to go into the hold.
Цитировать03/19/2017 02:09 Countdown in planned hold (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198347?url=https://v.24liveblog.com/live/?id=1379470)
T-minus 4 minutes and holding. The countdown has entered the planned 30-minute hold leading toward the 7:44 p.m. EDT (2344 GMT) liftoff of the Delta 4 rocket.
This pause is designed to give the launch team the opportunity to catch up on any work running behind schedule and verify all is in readiness for the final moments of the count. Also, a series of polls will be conducted during the hold to give approval to proceed with the launch.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 2 мин. назад (https://twitter.com/S101_Live/status/843238097898934273)
T-4 Minutes & HOLDING! This is the final built-in hold in today's Delta IV countdown. Planned duration: 30 minutes. http://bit.ly/20U3KBx (https://t.co/hqMtS7NOi4)
Цитировать(https://img.novosti-kosmonavtiki.ru/185452.png) AmericaSpace @AmericaSpace (https://twitter.com/AmericaSpace) 3 мин назад (https://twitter.com/AmericaSpace/status/843238219798007808)
Once assembled the #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) moves to the pad. At the Cape, it's LC-37. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
(https://img.novosti-kosmonavtiki.ru/157474.jpg)
Цитировать03/19/2017 02:16 Weather is GO (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198377?url=https://v.24liveblog.com/live/?id=1379470)
Weather is observed and forecast GO for launch of the Delta 4 rocket from Cape Canaveral at 7:44 p.m. EDT (2344 GMT). In the final pre-launch briefing, the weather officer reported there are no concerns tonight and the skies remain clear.
Цитировать03/19/2017 02:17 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198383?url=https://v.24liveblog.com/live/?id=1379470)
The WGS 9 spacecraft is switching to internal battery power for launch.
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 2 мин. назад (https://twitter.com/torybruno/status/843241151972880384)
Winds have picked up a bit, but still well within allowable. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/186040.jpg) Chris B - NSF @NASASpaceflight (https://twitter.com/NASASpaceflight) 1 мин. назад (https://twitter.com/NASASpaceflight/status/843241968503345153)
Looks like a lovely evening at the Cape: T-4 mins - in the BIH: https://forum.nasaspaceflight.com/index.php?topic=42009.0 ... (https://t.co/0tQ5pGrVWE)
(https://img.novosti-kosmonavtiki.ru/157478.jpg)
Цитировать03/19/2017 02:26 L-17 minutes (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198446?url=https://v.24liveblog.com/live/?id=1379470)
Launch minus 20 minutes! United Launch Alliance's Delta 4 has been a workhorse for U.S. military and national security spacecraft since entering service in 2002.Спойлер
The vehicle stands 217 feet tall, weighs about 900,000 pounds fully fueled and will unleash 1.8 million pounds of thrust at launch.
The rocket comes off the pad powered by an Aerojet Rocketdyne RS-68A engine on the Common Booster Core first stage and four Orbital ATK GEM-60 solid rocket boosters.
The throttleable RS-68A engine burns liquid hydrogen and liquid oxygen to produce 702,000 pounds of thrust. The stage measures 155 feet in length with interstage permanently attached, 16.7 feet in diameter and is covered in orange insulating foam.
The Graphite Epoxy Motor (GEM) series originated with the GEM-40 motor that was developed for the Delta 2 rocket a quarter-century ago. Cases are filament wound by computer-controlled winding machines using high-strength graphite fiber and durable epoxy resin. The "60" indicates the diameter in inches. Each GEM-60 produces a maximum of 280,000 pounds of thrust.
The cryogenic upper stage also burns liquid hydrogen and liquid oxygen to power its single Aerojet Rocketdyne RL10B-2 engine for 24,750 pounds of thrust. It features a cone-shaped carbon-carbon extendible nozzle that is 7 feet in diameter.[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/186040.jpg) Chris B - NSF @NASASpaceflight (https://twitter.com/NASASpaceflight) 5 мин. назад (https://twitter.com/NASASpaceflight/status/843242354341494784)
And there's a Twitter quiz - WITH PRIZES - later in the broadcast.
(https://img.novosti-kosmonavtiki.ru/157477.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/186040.jpg) Chris B - NSF @NASASpaceflight (https://twitter.com/NASASpaceflight) 3 мин. назад (https://twitter.com/NASASpaceflight/status/843243116874403840)
Fans of Pad GSE will appreciate the: Huge umbilical arm, large umbilical cradle, a long duct....to keep the payload happy (environmentally).
(https://img.novosti-kosmonavtiki.ru/157479.jpg)
Цитировать03/19/2017 02:34 L-10 minutes (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198496?url=https://v.24liveblog.com/live/?id=1379470)
Now 10 minutes to the target launch time! The launch team will be polled in the next few minutes to confirm all systems are "go" to press onward for the 7:44 p.m. liftoff.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 1 мин. назад (https://twitter.com/S101_Live/status/843244384439189505)
GO/No GO Polling of the ULA Launch Team, Spacecraft Management and Eastern Range is coming up in two minutes. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 02:37 GO FOR LAUNCH
The final readiness polls of the launch team and mission managers have been completed. No technical problems are being worked and all rocket, spacecraft and ground systems are "go" for liftoff.
Цитировать03/19/2017 02:38 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198525?url=https://v.24liveblog.com/live/?id=1379470)
A red alarm has sounded. Hold will be extended.
Цитировать03/19/2017 02:40 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198537?url=https://v.24liveblog.com/live/?id=1379470)
Liftoff will be delayed at least a few minutes while the team checks out an alarm that sounded just after the polling was completed.
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 1 мин. назад (https://twitter.com/ulalaunch/status/843245596412731392)
Hold Hold Hold. Will not release the terminal count at T-4 mins. #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 2 мин. назад (https://twitter.com/S101_Live/status/843245616671195136)
Hold Extension. Not proceeding into automated countdown at this time. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) http://bit.ly/2nyLjIw (https://t.co/bfLQbyQcK4)
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 4 мин. назад (https://twitter.com/SpaceflightNow/status/843245377323188225)
A red alarm has sounded. Hold will be extended.
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 56 сек. назад (https://twitter.com/torybruno/status/843246322249486338)
Hold, Hold, Hold. Gantry issue. Stand by
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 2 мин. назад (https://twitter.com/ulalaunch/status/843246228108402688)
T-4 min hold is being extended because of an alarm connected to the swing arm system. Will provide more data as we're able. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 2 мин. назад (https://twitter.com/SpaceflightNow/status/843246385273167872)
A ULA spokesman says the alarm is associated with the launch pad swing system. A new liftoff time has not been set. http://live.spaceflightnow.com/status.html (https://t.co/fmBWyI0Jp2)
(https://img.novosti-kosmonavtiki.ru/157483.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 1 мин. назад (https://twitter.com/torybruno/status/843246836894711808)
Engineering team is working the issue
Цитировать03/19/2017 02:42
A ULA spokesman says the alarm is associated with the launch pad swing system.
Цитировать03/19/2017 02:45 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198575?url=https://v.24liveblog.com/live/?id=1379470)
The launch window is now open. It extends 75 minutes to 8:59 p.m. EDT (0059 GMT).
Цитировать(https://img.novosti-kosmonavtiki.ru/186040.jpg) Chris B - NSF @NASASpaceflight (https://twitter.com/NASASpaceflight) 4 мин. назад (https://twitter.com/NASASpaceflight/status/843246845921017860)
75 minute window for this launch, so plenty of time to review and see if they can proceed with the lift off.
(https://img.novosti-kosmonavtiki.ru/157484.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 9 мин. назад (https://twitter.com/SpaceflightNow/status/843246385273167872)
A ULA spokesman says the alarm is associated with the launch pad swing system. A new liftoff time has not been set. http://live.spaceflightnow.com/status.html (https://t.co/fmBWyI0Jp2)
(https://img.novosti-kosmonavtiki.ru/157483.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 2 мин. назад (https://twitter.com/SpaceflightNow/status/843248326594236418)
The #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) launch window extends 75 minutes to 8:59 p.m. EDT (0059 GMT). http://live.spaceflightnow.com/status.html (https://t.co/fmBWyI0Jp2)
(https://img.novosti-kosmonavtiki.ru/157485.jpg)
Цитировать03/19/2017 02:53 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198628?url=https://v.24liveblog.com/live/?id=1379470)
The countdown continues to hold at T-minus 4 minutes while engineers assess what triggered an alarm on the launch pad's umbilical swing arm system just before clocks were set to resume. A new launch time has not been established yet.
Цитировать03/19/2017 02:58 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198650?url=https://v.24liveblog.com/live/?id=1379470)
There are 60 minutes left in the launch window.
Цитировать(https://img.novosti-kosmonavtiki.ru/185009.jpg) AF Space Command @AFSpace (https://twitter.com/AFSpace) 4 мин. назад (https://twitter.com/AFSpace/status/843249675545296896)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) launch: Engineers are investigating a ground issue at the launch pad. Launch window extends until 8:59 EDT.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 2 мин. назад (https://twitter.com/S101_Live/status/843250418939576320)
One hour left in tonight's launch window. Engineering teams continue reviewing the pad swingarm issue. http://bit.ly/2nyLjIw (https://t.co/bfLQbyQcK4) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185009.jpg) AF Space Command @AFSpace (https://twitter.com/AFSpace) 22 сек. назад (https://twitter.com/AFSpace/status/843251359478697989)
Standing by, @torybruno (https://twitter.com/torybruno)! We have confidence in @ulalaunch (https://twitter.com/ulalaunch) to conduct the safest, most successful launch. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash)
Цитировать03/19/2017 03:06 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198691?url=https://v.24liveblog.com/live/?id=1379470)
Troubleshooting efforts on the launch pad swing arm system have determined there is no issue with the hardware itself. The retract pins were pulled again and no alarm sounded. Officials say the system is healthy and ready to go.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 1 мин. назад (https://twitter.com/S101_Live/status/843252405257035777)
Swingarm issue appears to be a non-issue. Pins were re-pulled & system re-set. No alarm seen, good to go. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 33 сек. назад (https://twitter.com/S101_Live/status/843252871638499328)
Twilight liftoff turned night launch - new T-0 for Delta IV and #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) is 0:18 UTC, 8:18 p.m. local. http://bit.ly/2nyLjIw (https://t.co/bfLQbyQcK4)
(https://img.novosti-kosmonavtiki.ru/157486.jpg)
Цитировать03/19/2017 03:11 GO for launch (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198727?url=https://v.24liveblog.com/live/?id=1379470)
The launch team has been re-polled and again all members voiced GO status. The ULA launch director and Air Force mission director then gave the final permission to fly.
Цитировать03/19/2017 03:12 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198731?url=https://v.24liveblog.com/live/?id=1379470)
The swing arm system is confirmed ready.
Цитировать03/19/2017 03:13 Countdown has resumed (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198735?url=https://v.24liveblog.com/live/?id=1379470)
T-minus 4 minutes and counting! Now into the final phase of the countdown for liftoff by the Delta 4 rocket carrying the WGS spacecraft from pad 37B at Cape Canaveral Air Force Station.
Цитировать03/19/2017 03:14
T-minus 3 minutes, 25 seconds. The systems of the Delta 4 rocket have switched from ground-fed power to internal batteries for launch.
Цитировать03/19/2017 03:15
T-minus 2 minutes and counting. Still GO for launch of the Delta rocket.
03/19/2017 03:15 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198749?url=https://v.24liveblog.com/live/?id=1379470)
T-minus 2 minutes, 30 seconds. The liquid oxygen tank in the Common Booster Core first stage is confirmed at the proper level and pressure for flight.
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 18 сек. назад (https://twitter.com/torybruno/status/843254803899731970)
T-2 min. Board is green
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg)Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 15 сек. назад (https://twitter.com/torybruno/status/843255082640539648)
T-1min
Цитировать03/19/2017 03:21
T+plus 4 minutes, 20 seconds. Engine start! The cryogenic RL10B-2 upper stage engine has ignited for the first of two burns during the launch sequence to loft WGS 9, this one to reach a preliminary parking orbit!
03/19/2017 03:21
T+plus 4 minutes, 7 seconds. The Common Booster Core first stage and the attached interstage have been separated in one piece from the Delta 4's upper stage. The upper stage engine's extendible nozzle is dropping into position.
03/19/2017 03:21
T+plus 3 minutes, 58 seconds. BECO! Booster engine cutoff confirmed as the Aerojet Rocketdyne RS-68A powerplant shuts down.
03/19/2017 03:21
T+plus 3 minutes, 51 seconds. The main engine is throttling down to its minimum power setting in preparation for shutdown.
03/19/2017 03:21
T+plus 3 minutes, 20 seconds. Now above the discernible atmosphere, the protective nose cone enclosing the WGS 9 satellite atop the rocket has jettisoned.
03/19/2017 03:20
T+plus 3 minutes, 5 seconds. Passing Mach 10.
03/19/2017 03:20
T+plus 3 minutes. The main engine continues to perform well, consuming its liquid hydrogen and liquid oxygen propellants.
03/19/2017 03:20
T+plus 2 minutes, 30 seconds. The RS-68A is consuming nearly a ton of propellants per second as the powerplant pushes the Delta 4 rocket closer to the edge of space.
03/19/2017 03:20 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198798?url=https://v.24liveblog.com/live/?id=1379470)
Delta 4 roars into the night
Цитировать03/19/2017 03:23 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198821?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 5 minutes, 20 seconds. Delta is 165 miles in altitude, traveling over 10,500 mph
Цитировать03/19/2017 03:24
T+plus 7 minutes. Still looking good as Delta arcs over the Atlantic.
03/19/2017 03:24
T+plus 6 minutes, 20 seconds. RL10 is burning well.
03/19/2017 03:23 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198823?url=https://v.24liveblog.com/live/?id=1379470)
View of solid rocket motor separation
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 5 мин. назад (https://twitter.com/SpaceflightNow/status/843256012014567425)
LIFTOFF of Delta 4 and #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)!
(https://img.novosti-kosmonavtiki.ru/157487.jpg)
Цитировать03/19/2017 03:26 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198841?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 8 minutes, 50 seconds. Delta is 260 miles in altitude, traveling at 11,500 mph.
Цитировать03/19/2017 03:27 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198844?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 9 minutes, 30 seconds. Vehicle system performance still nominal. Trajectory right on target.
Цитировать03/19/2017 03:27 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198848?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 10 minutes. The upper stage is the larger five-meter version that has flown previously on the Delta 4-Heavy vehicle, WGS missions and two National Reconnaissance Office launches. It is an element that distinguishes this Medium+ (5,4) rocket configuration from other variants use four-meter upper stages for lower-weight payloads.
Today's stage has a wider liquid hydrogen tank and a lengthened liquid oxygen tank to carry additional propellants, enabling the RL10 engine to fire longer and carry heftier cargos.
Цитировать03/19/2017 03:28 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198852?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 10 minutes, 45 seconds. Delta is 270 miles in altitude and 1,750 miles east of the launch pad, traveling at 12,500 mph.
Цитировать03/19/2017 03:29
T+plus 12 minutes. The vehicle's steep climb leveled off as it gains speed toward orbital velocity.
03/19/2017 03:29 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198857?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 11 minutes, 30 seconds. The RL10 engine is burning a mixture of liquid oxygen and liquid hydrogen cryogenic propellants.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 48 сек. назад (https://twitter.com/S101_Live/status/843258208043094017)
T+12 Minutes: Passing the halfway point in this burn of the second stage. Flight parameters remain nominal. http://bit.ly/2nyLjIw (https://t.co/bfLQbyQcK4) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 03:30 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198868?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 12 minutes, 45 seconds. Delta is 2,200 miles east of the launch pad, traveling at 13,700 mph.
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 17 сек. назад (https://twitter.com/torybruno/status/843258602232061953)
RL10 continues to operate nominally.
Цитировать03/19/2017 03:31 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198872?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 14 minutes. All still going smoothly aboard the Delta 4.
Цитировать03/19/2017 03:32 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198876?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 14 minutes, 50 seconds. Speed now 15,000 mph.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 1 мин. назад (https://twitter.com/S101_Live/status/843258937738739712)
Five minutes are remaining in this burn of the Delta Cryogenic Second Stage. Still showing good performance. 375km in altitude. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 03:33 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198880?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 16 minutes. Velocity 16,000 mph. About four minutes remain in this firing of the second stage. Good chamber pressure, stable body rates.
Цитировать03/19/2017 03:34 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198882?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 17 minutes. This burn will obtain orbital velocity and place the vehicle into an initial parking orbit around Earth. A second burn a short time from now boosts the payload into its transfer orbit.
Цитировать03/19/2017 03:37 Main Engine Cut Off No. 1
T+plus 19 minutes, 46 seconds. MECO 1. Confirmation that the upper stage main engine has shut down after the first of two planned firings to inject the WGS 9 spacecraft into a super-synchronous transfer orbit.
03/19/2017 03:36
T+plus 19 minutes. The second stage engine continues to fire well with good chamber pressure. All is reported normal.
03/19/2017 03:35 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198888?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 18 minutes. Speed now 18,000 mph. The upper stage's the RL10 engine working well, still firing as planned to reach the parking orbit this evening. Good trajectory reported as well.
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 38 сек. назад (https://twitter.com/ulalaunch/status/843260499437539329)
First main engine cutoff (MECO-1) complete.#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 3 мин. назад (https://twitter.com/S101_Live/status/843260191437131777)
CUTOFF - Engine shutdown. Delta IV now starting 9.5 minutes of coasting toward the equator. http://bit.ly/2nyLjIw (https://t.co/bfLQbyQcK4) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 54 сек. назад (https://twitter.com/S101_Live/status/843261035977080833)
Delta IV Parking Orbit looks good: 185 x 6,048 Kilometers, 27.6°. In-line with previous WGS missions. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 03:42
T+plus 24 minutes, 30 seconds. Officials confirm that the Delta 4 rocket has successfully reached its targeted parking orbit.
03/19/2017 03:42 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198919?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 23 minutes, 30 seconds. Vehicle systems remain in good shape for this brief coast period. The velocity is over 19,000 mph.
Цитировать03/19/2017 03:44 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198925?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 26 minutes, 30 seconds. The vehicle continues in the coast mode before the next firing of the upper stage engine. Re-ignition of the RL10 engine is three minutes away.
Цитировать03/19/2017 03:44 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198926?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 27 minutes. Things are still looking good, no reports of any issues tonight following an 8:18 p.m. EDT (0018 GMT) liftoff.
Цитировать03/19/2017 03:47 Main Engine Start No. 2 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198934?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 29 minutes, 27 seconds. Ignition! The RL10B-2 engine, fed by liquid hydrogen and liquid oxygen, has been started once again! This firing will propel WGS 9 to its desired launch orbit.
Цитировать03/19/2017 03:47 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198936?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 30 minutes. This burn will last just over three minutes in duration.
Цитировать(https://img.novosti-kosmonavtiki.ru/29931.jpg) Tory BrunoПодлинная учетная запись @torybruno (https://twitter.com/torybruno) 12 сек. назад (https://twitter.com/torybruno/status/843262906003214336)
RL10 back on. Bird is nominal
Цитировать03/19/2017 03:48 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198941?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 31 minutes, 15 seconds. Second burn continues to go smoothly with no issues reported.
Цитировать(https://img.novosti-kosmonavtiki.ru/185645.jpg) ULAПодлинная учетная запись @ulalaunch (https://twitter.com/ulalaunch) 28 сек. назад (https://twitter.com/ulalaunch/status/843263192310693888)
#DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) flight continues to be nominal.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 12 сек. назад (https://twitter.com/S101_Live/status/843263433395060736)
SHUTDOWN. The RL-10B made a clean burn, Delta IV now in the planned injection orbit, setting up for spacecraft separation in 9 min. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
Цитировать03/19/2017 03:50 Main Engine Cut Off No. 2 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198945?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 32 minutes, 36 seconds. MECO 2. The second of two firings by the upper stage during today's launch has been completed, ending the powered phase of flight.
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 1 мин. назад (https://twitter.com/SpaceflightNow/status/843263429066539008)
SECO 2. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) lofted into a super-synchronous transfer orbit by second burn of Delta 4's upper stage. Sep in 9 mins http://live.spaceflightnow.com/status.html (https://t.co/fmBWyI0Jp2)
Цитировать03/19/2017 03:52 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198948?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 34 minutes. Separation is coming up in a few minutes. Upper stage systems still look good.
Цитировать03/19/2017 03:55 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198955?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 37 minutes. The Delta 4 rocket has successfully reached its targeted super-synchronous transfer orbit, ULA says.
Цитировать03/19/2017 03:57 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198963?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 39 minutes. The rocket is coasting in orbit and will soon deploy the next Wideband Global SATCOM, continuing the modernization effort for the U.S. military's satellite communications network in space. This particular spacecraft, WGS 9, was purchased by Canada, Denmark, the Netherlands, Luxembourg and New Zealand in a collaborative deal that gives the allies access to global bandwidth from any WGS satellite.
Цитировать03/19/2017 03:57 (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198966?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 40 minutes. About two minutes until separation.
Цитировать03/19/2017 03:59 WGS 9 DEPLOYED! (https://img.novosti-kosmonavtiki.ru/196244.png) (http://24liveblog.com/share/196198975?url=https://v.24liveblog.com/live/?id=1379470)
T+plus 41 minutes, 45 seconds. SPACECRAFT SEPARATION! The Wideband Global SATCOM 9 military communications satellite has been deployed into orbit from the Delta 4 rocket's upper stage, completing tonight's launch!
Liftoff occurred at 8:18 p.m. EDT (0018 GMT) and the flight appeared nominal.
The WGS 9 spacecraft will spend the next three months being maneuvered into a circular geosynchronous orbit by controllers at Boeing's satellite facility in El Segundo, California. The orbit raising activities will use both the conventional propellant engines as well as ion propulsion thrusters.
Boeing will oversee the craft's solar array and antenna deployments, plus complete an initial round of testing before WGS 9 is handed over to the Air Force.
Цитировать(https://img.novosti-kosmonavtiki.ru/185376.jpg) Spaceflight101 LIVE @S101_Live (https://twitter.com/S101_Live) 2 мин. назад (https://twitter.com/S101_Live/status/843265738022576129)
SEPARATION! Another powerful bird arrives in orbit to join the WGS constellation, building the backbone of U.S. military comms. #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
(https://img.novosti-kosmonavtiki.ru/157473.jpg)
Цитировать(https://img.novosti-kosmonavtiki.ru/67516.jpg) Jonathan McDowellПодлинная учетная запись @planet4589 (https://twitter.com/planet4589) 3 мин. назад (https://twitter.com/planet4589/status/843265938917154818)
WGS 9 has separated from the Delta 2nd stage. In 30 min the Delta will adjust its orbit to put its perigee under the Pacific in 11 hrs time
Цитировать(https://img.novosti-kosmonavtiki.ru/185009.jpg) AF Space Command @AFSpace (https://twitter.com/AFSpace) 8 мин. назад (https://twitter.com/AFSpace/status/843266312063324162)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) is in orbit. MIssion success. Congrats, team! @45thSpaceWing (https://twitter.com/45thSpaceWing) @BoeingDefense (https://twitter.com/BoeingDefense) @ulalaunch (https://twitter.com/ulalaunch) @AF_SMC (https://twitter.com/AF_SMC)
Цитировать45th Space Wing supports successful Delta IV WGS-9 launch
By 45th Space Wing Public Affairs / Published March 18, 2017CAPE CANAVERAL AIR FORCE STATION, Fla. --The U.S. Air Force's 45th Space Wing supported United Launch Alliance's successful launch of the WGS-9 spacecraft aboard a ULA Delta IV rocket from Space Launch Complex 37 at 8:18 p.m. ET March 18, 2017, at Cape Canaveral Air Force Station, Fla. The Air Force has been breaking barriers since 1947 and the successful WGS-9 launch marks an important occasion for the Wideband constellation as it is a major milestone in a 20-year multilateral partnership. (Courtesy photo/ULA)Спойлер
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DOWNLOAD HI-RES (http://0s.nvswi2lb.mrswmzloonss4z3poy.nblz.ru/2017/Mar/18/2001718568/-1/-1/0/170318-F-ZZ999-001.JPG) / PHOTO DETAILS (http://o53xo.obqxi4tjmnvq.mftc43ljnq.nblz.ru/smm/igphoto/2001718568)[свернуть]
The U.S. Air Force's 45th Space Wing supported United Launch Alliance's successful launch of the WGS-9 spacecraft aboard a ULA Delta IV rocket from Space Launch Complex 37 here March 18, 2017, at 8:18 p.m. ET.Спойлер
The Air Force has been breaking barriers since 1947 and the successful WGS-9 launch marks an important occasion for the Wideband constellation as it is a major milestone in a 20-year multilateral partnership.
In January 2012, the United States, Canada, Denmark, Luxembourg, the Netherlands, and New Zealand signed a multilateral Memorandum of Understanding with the United States, agreeing to fund the procurement of the ninth WGS satellite. The U.S. is responsible for funding the launch, operation and sustainment of WGS-9. International partners will receive a proportional share of the bandwidth provided by the WGS constellation based on financial contribution.
The WGS constellation is the highest-capacity military communications system in the U.S. Department of Defense arsenal. WGS supports a wide variety of missions for Combatant Commanders around the world to perform missions, from search and rescue efforts to military operations. Air Force Space Command's Space and Missile Systems Center is the Air Force's center for acquiring and developing military space systems.
The addition of WGS-9 to the constellation will increase speed, reliability, and effectiveness for the warfighter, which enables the U.S. and international partners to more efficiently coordinate on missions in the air, on land and by sea.
According to Brig. Gen. Wayne Monteith, 45th Space Wing commander and mission Launch Decision Authority, the fourth major launch operation on the Eastern Range this year, and second successful launch in just two and a half days, culminates many long hours and hard work by the entire mission team.
"Thanks to the amazing commitment, focus on the mission, and teamwork the men and women of the 45th Space Wing share with our mission partners at SMC and ULA, we successfully launched the next satellite in the WGS constellation," he said. "This mission demonstrates the Air Force's commitment to deliver secure and reliable satellite communications around the globe to U.S. forces and our allies. It also once again showcases why the 45th Space Wing is the 'World's Premiere Gateway to Space.'"[свернуть]
ЦитироватьUnited Launch Alliance Commemorates U.S. Air Force 70th Anniversary with Successful Launch of WGS-9 Mission
Delta IV WGS-9 Mission Overview (http://www.ulalaunch.com/uploads/docs/Mission_Booklets/DIV/div_wgs9_mob.pdf)
Cape Canaveral Air Force Station, Fla., (March 18, 2017) – A United Launch Alliance (ULA) Delta IV rocket carrying the ninth Wideband Global SATCOM (WGS-9) satellite for the United States Air Force lifted off from Space Launch Complex-37 on March 18 at 8:18 p.m. EDT.
"This launch commemorates the 70th anniversary of the USAF." said Laura Maginnis, ULA vice president of Government Satellite Launch. "We are absolutely honored to play a role in this important milestone, while safely delivering WGS-9 to orbit."
This mission was launched aboard a Delta IV Medium+ (5, 4) configuration Evolved Expendable Launch Vehicle (EELV) powered by one common booster core and four solid rocket motors built by Orbital ATK. The common booster core was powered by an RS-68A liquid hydrogen/liquid oxygen engine producing 705,250 pounds of thrust at sea level. A single RL10B-2 liquid hydrogen/liquid oxygen engine powered the second stage. The booster and upper stage engines are both built by Aerojet Rocketdyne. ULA constructed the Delta IV Medium+ (5,4) launch vehicle in Decatur, Alabama.
This is ULA's 3rd launch in 2017 and the 118th successful launch since the company was formed in December 2006.Спойлер
"Thank you to the women and men of United Launch Alliance and all of our teammates who have worked tirelessly together to ensure today's mission success," said Maginnis. "The team's number one priority was safely and reliably delivering one of our nation's most critical satellites."
WGS-9, the third Block II Follow-on satellite, supports communications links in the X-band and Ka-band spectra. The WGS-9 satellite will be able filter and downlink up to 8.088 GHz of bandwidth. WGS satellites are an important element of a new high-capacity satellite communications system providing enhanced communications capability to our troops in the field.
The EELV program was established by the U.S. Air Force to provide assured access to space for Department of Defense and other government payloads. The commercially developed EELV program supports the full range of government mission requirements, while delivering on schedule and providing significant cost savings over the heritage launch systems.
With more than a century of combined heritage, United Launch Alliance is the nation's most experienced and reliable launch service provider. ULA has successfully delivered more than 115 satellites to orbit that provide critical capabilities for troops in the field, aid meteorologists in tracking severe weather, enable personal device-based GPS navigation and unlock the mysteries of our solar system.
For more information on ULA, visit the ULA website at www.ulalaunch.com, or call the ULA Launch Hotline at 1-877-ULA-4321 (852-4321). Join the conversation at www.facebook.com/ulalaunch (https://www.facebook.com/ulalaunch), twitter.com/ulalaunch (https://twitter.com/ulalaunch) and instagram.com/ulalaunch (https://instagram.com/ulalaunch).[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/67530.jpg) Spaceflight Now @SpaceflightNow (https://twitter.com/SpaceflightNow) 1 мин назад (https://twitter.com/SpaceflightNow/status/843272848265363456)https://spaceflightnow.com/2017/03/19/internationally-backed-military-satellite-successfully-launched-atop-delta-4-rocket/
RECAP: Internationally-backed #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) military satellite successfully launched atop Delta 4 rocket https://spaceflightnow.com/2017/03/19/internationally-backed-military-satellite-successfully-launched-atop-delta-4-rocket/ ... (https://t.co/U5T98OzTWc) (ULA pic)
(https://img.novosti-kosmonavtiki.ru/157482.jpg)
ЦитироватьInternationally-backed military satellite successfully launched atop Delta 4 rocket
March 19, 2017 (https://spaceflightnow.com/2017/03/) Justin Ray (https://spaceflightnow.com/author/justin-sfn-ray/)
CAPE CANAVERAL — With an international flair for collaboration, a military communications satellite jointly purchased by five allies was rocketed in space Saturday to further expand the U.S.-operated network that serves battlefield forces anywhere on Earth.
The Wideband Global SATCOM satellite No. 9, which will act like an information router in space, was successfully propelled into orbit by a United Launch Alliance Delta 4 rocket fr om Cape Canaveral.
The 8:18 p.m. EDT (0018 GMT) liftoff occurred fr om Complex 37 following an afternoon loading of 170,000 gallons of cryogenic propellant into the two-stage rocket.
Three swing arms fr om the launch tower pulled away as the 217-foot-tall Delta roared skyward with a 2-to-1 thrust-to-weight ratio.
Less than 42 minutes later over the Indian Ocean. the $424 million payload was deployed into a super-synchronous transfer orbit as planned.
"Successfully putting our most critical satellites in orbit, at the right spot, time and time again is only made possible through a tremendously effective partnership with our launch vehicle provider United Launch Alliance," said Col. Shane Clark, the Air Force's mission director for the WGS 9 launch and EELV Generation operations division chief at the Space and Missile Systems Center.Спойлер
(https://img.novosti-kosmonavtiki.ru/126191.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/19011633/div_wgs9_l3.jpg)
Official launch portrait. Credit: United Launch Alliance
It marked the 108th successful launch in a row for the Delta program since 1999, the 361st success overall since 1960 and the 35th for a Delta 4.
United Launch Alliance also extended its mission record to 118 and completed its 47th mission for the Air Force in the past 123 months.
WGS 9 will spend the next three months using its conventional and xenon-ion propulsion systems to reach a circular geostationary orbit 22,300 miles above the equator and slide into a testing slot. It will enter service later this year for a yet-undisclosed coverage zone.
This new satellite is unique because Canada, Denmark, the Netherlands, Luxembourg and New Zealand paid for construction of WGS 9 in a collaborative effort to join the U.S. military's global communications network.
Each nation receives bandwidth allocations via any of the WGS satellites in the worldwide constellation in proportions equal to their investment in WGS 9.
The WGS 9 deal allows the U.S. to bolster its communications infrastructure with an additional satellite while the allies get access to the anytime, anywhere connectivity that WGS provides around the globe.
Brigadier-General Blaise Frawley, director general for space, Royal Canadian Air Force: "Military operations are increasingly dependent on capabilities based in space and the Canadian Armed Forces recognizes this fact. The WGS 9 will further enhance a reliable Satcom network, and ensure our forces at home and abroad can communicate effectively to enable success on operations."
Navy Capt. Kim Meier, director of air force systems at the Danish Acquisition and Logistics Organization: "With the successful launch of the ninth WGS satellite we have reached an important milestone in the international MILSATCOM partnership. The WGS satellites are giving our warfighters quick and reliable access to information which is essential to the success of any military operation."
Navy Commodore Ludger Brummelaar, projects director of the Netherlands Defence Materiel Organisation: "The launch of WGS 9 symbolizes the successful partnership in military satellite communication. The cooperation is not only a success in the space segment, but also on the ground, wh ere the participating nations share their anchor stations and other SATCOM resources. WGS enables smaller countries, as the Netherlands, to have access to reliable global satellite communication. It is a prime example of international military cooperation."
Etienne Schneider, deputy prime minister of Luxembourg: "As an established satellite nation, Luxembourg is proud to participate in the WGS program. In the current geopolitical context, access to satellite capacity is essential for most military endeavors. Luxembourg can thus make a concrete contribution to security in the context of its NATO commitments."
Lt. Col. James Dryburgh, New Zealand deputy director of C4 Operations: "WGS has provided the cornerstone of the New Zealand Defence Force's Satellite communications capability since the purchase of our first ground terminals following our entrance into the WGS partnership. It has provided us with solid and reliable communications bearer connectivity from the first deployment and the cooperation from the WGS support team and the partner nations has been outstanding."
(https://img.novosti-kosmonavtiki.ru/126194.jpg) (https://assets.cdn.spaceflightnow.com/wp-content/uploads/2017/03/19011920/IMG_6819.jpg)
Delta 4 on the pad Saturday afternoon awaiting the WGS9 launch. Photos by Credit: Walter Scriptunas II / Scriptunas Images (http://www.scriptunasimages.com)
"The WGS constellation is the highest-capacity military communications system in the U.S. Department of Defense arsenal," said Robert Tarleton, director of the Air Force's Military Satellite Communications Systems at the Space and Missile Systems Center.
"WGS really supports the tactical warfighter and our international partners around the world, whether on land, in the air or at sea. It has the Global Broadcast capability that provides the delivery of classified and unclassified data and video products for mission support and full mission video (from) our UAVs."
The WGS constellation is the modernized follow-on to the Defense Satellite Communications System that dates back to 1966 and is the Air Force's longest-running communications network with launches through 2003.
"We still have four DSCS that we are still using. They continue to be part of our overall military constellation that we can access," said Tarleton.
"The transformation from DSCS to WGS is a lot more bandwidth as well as the addition of military Ka communications and crossbanding on the satellite between X- and Ka-bands. That allows the warfighter to seamlessly talk between their terminal types."
One final WGS satellite — No. 10 — is built and awaiting pre-launch testing ahead of a late 2018 deployment aboard another Delta 4 rocket.
"We will be moving forward to (WGS) 10 to launch late next year. And yes, as far as the WGS program, that is the last satellite in the program," said Tarleton.
"There were some interest for a while with several nations to try to fund a WGS 11 and that just didn't materialize, frankly. We will not be buying another WGS, we are past the point wh ere we could buy it with any efficient cost since the production line is basically shut down."
(https://img.novosti-kosmonavtiki.ru/126192.jpg) (https://img.novosti-kosmonavtiki.ru/126192.jpg)
An artist's concept of WGS in orbit. Credit: Boeing
But the longer-term future for U.S. wideband communications services is uncertain while the Pentagon studies its options.
"What we are looking at for the follow-on to WGS is being worked within the Department of Defense now in the Analysis of Alternatives as to what's the best way to meet our wideband satcom requirements in the future — whether it's more, big satellites, purpose-built just for military use, whether it's using more commercial satellites or leasing, and what's the combination. That effort is in work right now. That will steer what we buy (and) wh ere we go for meeting our wideband needs," said Tarleton.
"To build a new system, we need to get started within the next couple of years because we are targeting the late 2020s — 2028-2029 — to have the next system, whatever that may be, ready to take the place of WGS.
"If we are working to purchase bits from commercial services, which is something we are really looking at as the commercial industry gets more and more capable and actually, probably, moves moves faster than we can within the Department of Defense as far as enhancing their capabilities, as they become more protected in comms against interference or jamming, those are the things we are looking at as part of the trade-off.
"If we had to go buy another WGS — if we followed that path, which I don't expect — we would need to do that within the next couple of years. If we can build on commercial and utilize their systems that tend to be put in place and built in three to four years, we are not as rushed."
(https://img.novosti-kosmonavtiki.ru/126193.jpg) (https://img.novosti-kosmonavtiki.ru/126193.jpg)
This was the ninth WGS launch. Credit: Air Force logos; Spaceflight Now graphic
The first 7 satellites in the WGS series are optional. The eighth craft, launched last December, reached its test slot in geostationary orbit a week ago.
"With WGS 8 and 9, we expect to have both in operational use later this year," said Tarleton.
WGS 1 (http://www.spaceflightnow.com/atlas/av011/status.html) was launched in October 2007 to cover the vast U.S. Pacific Command that stretches from the U.S. western coast all the way to Southeast Asia.
WGS 2 (http://www.spaceflightnow.com/atlas/av016/status.html) satellite followed with an April 2009 launch to serve U.S. Central Command and the forces in Afghanistan, Iraq and other parts of Southwest Asia.
WGS 3 (http://www.spaceflightnow.com/delta/d346/status.html) went up in December 2009 to cover U.S. European Command and U.S. Africa Command, plus lend additional support over the Middle East.
WGS 4 (http://www.spaceflightnow.com/delta/d358/status.html) inaugurated the upgraded Block 2 series for improved communications with unmanned aerial drones when it was launched in January 2012 to cover the Middle East and Southeast Asia for use by U.S. Central Command and U.S. Pacific Command.
WGS 5 (http://www.spaceflightnow.com/delta/d362/status.html) extended the Wideband Global SATCOM constellation to the Americas for a host of users following launch in May 2013. It gives the CONUS coverage to U.S. Northern Command, Southern Command, Transportation Command, Strategic Command, the Missile Defense Agency and other U.S. and western hemisphere-based users.
WGS 6 (http://www.spaceflightnow.com/delta/d363/status.html) was launched in August 2013 and serves as Australia's contribution to the Wideband Global SATCOM constellation. It was built and launched via Australian funding in exchange for its military getting a percentage of communications services through the global constellation. The craft is parked over the eastern Pacific for coverage of the Americas.
WGS 7 (http://spaceflightnow.com/2015/07/24/recap-story-7th-satellite-in-air-forces-wgs-series-launched/) was launched in July 2015 to further fortify the military's "anytime, anywhere" communications infrastructure, adding to the global WGS system from its position above the western Pacific with a coverage area spanning the Middle East, Southeast Asia and Australia.
WGS 8 (https://spaceflightnow.com/2016/12/06/d376_journal/) reached its orbital checkout position just last week following a successful launch in December. It features the first Wideband Digital Channelizer that nearly doubles its capacity compared to the previous satellites in the WGS series.[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/185421.jpg) Spaceflight101 @Spaceflight101 (https://twitter.com/Spaceflight101) 16 мин. назад (https://twitter.com/Spaceflight101/status/843271795029491717)
Delta IV thunders into the Night with Internationally-funded Military ComSat - http://spaceflight101.com/delta-iv-wgs-9/delta-iv-wgs-9-launch-success/ ... (https://t.co/Td2Eunjrdy) #WGS9 (https://twitter.com/hashtag/WGS9?src=hash)
(https://img.novosti-kosmonavtiki.ru/157476.jpg)
(https://img.novosti-kosmonavtiki.ru/157480.jpg)
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ЦитироватьАмериканская ULA запустила ракету со спутником связи военного назначения
Космос (http://tass.ru/kosmos) 19 марта, 4:09 UTC+3
Спутник WGS-9 является элементом новой системы коммуникационных спутников, обеспечивающих связью войска США в полевых условиях
(https://img.novosti-kosmonavtiki.ru/186903.jpg)
© AP Photo/John Raoux
НЬЮ-ЙОРК, 19 марта. /Корр. ТАСС Алексей Качалин/. Американская компания United Launch Alliance (ULA) осуществила в субботу запуск с базы ВВС США на мысе Канаверал (штат Флорида) ракеты-носителя Delta IV. Она вывела в космос спутник WGS-9 военного назначения.
"Траектория полета аппарата точна. Ракетный двигатель RL-10 функционирует по-чемпионски", - сообщила ULA.
Компания уточнила, что это был 35-й по счету запуск ракеты Delta IV. Первый состоялся в 2002 году. WGS-9 описывается как "важный элемент новой мощной системы коммуникационных спутников, обеспечивающих связью американские войска в полевых условиях".
ULA - совместное предприятие американских корпораций Boeing и Lockheed Martin. Delta IV имеет три двигателя и способна доставлять на орбиту полезный груз массой примерно до 29 тонн.
Цитировать(https://img.novosti-kosmonavtiki.ru/185335.png) Boeing DefenseПодлинная учетная запись @BoeingDefense (https://twitter.com/BoeingDefense) 24 сек назад (https://twitter.com/BoeingDefense/status/843277965320507393)http://boeing.mediaroom.com/2017-03-18-Ninth-Boeing-built-Wideband-Global-SATCOM-Satellite-to-Expand-Military-Communications-Capabilities-for-U-S-Allies
#Boeing (https://twitter.com/hashtag/Boeing?src=hash)-built #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) satellite successfully launched; has sent back its first signals. NEWS RELEASE:http://boeing.mediaroom.com/2017-03-18-Ninth-Boeing-built-Wideband-Global-SATCOM-Satellite-to-Expand-Military-Communications-Capabilities-for-U-S-Allies ... (https://t.co/RQy7e3YqaB)
ЦитироватьNinth Boeing-Built Wideband Global SATCOM Satellite to Expand Military Communications Capabilities for U.S., Allies
The communications satellite will increase interoperability among the United States, Australia, Canada, Denmark, Luxembourg, the Netherlands and New Zealand
CAPE CANAVERAL, Fla., March 18, 2017 – Boeing's [NYSE: BA] ninth Wideband Global SATCOM (WGS) satellite launched into orbit today and will provide the United States and six allied nations with increased communications capabilities to prevent, protect against and respond to attacks.Спойлер
The WGS-9 satellite was funded through an agreement between the United States and Canada, Denmark, Luxembourg, the Netherlands and New Zealand, and will also serve Australia (which funded the WGS-6 satellite). Each partner country gains access to the capabilities provided by the full WGS system, which include flexible and secure communication transmissions in the X- and Ka-band frequencies.
"This unique international collaboration increases military interoperability and expands affordable high-data-rate communications for U.S. and allied partners around the globe," said Rico Attanasio, executive director, Boeing Department of Defense/Civil Satellite Programs. "WGS-9 is among the most capable military communication satellites on orbit today."
WGS-9 launched on a United Launch Alliance Delta IV rocket. Boeing is on contract for 10 WGS satellites, the last of which is tentatively scheduled for launch in 2018.
The eighth, ninth and tenth WGS satellites include upgraded digital channelizers that nearly double the available bandwidth of earlier satellites in the series.
A Boeing video about WGS's anti-jam capabilities is available at www.boeing.com/features/2016/11/innovation-wgs-11-16.page (http://www.boeing.com/features/2016/11/innovation-wgs-11-16.page).
For more information on Defense, Space & Security, visit www.boeing.com (http://www.boeing.com). Follow us on Twitter: @BoeingDefense (https://twitter.com/boeingdefense).
# # #Contact:
Matthew Barnett
Network & Space Systems
Office: +1 310-335-6747
Mobile: +1 310-341-6818
matthew.barnett2@boeing.com (mailto:Matthew.Barnett2@boeing.com)[свернуть]
Цитировать(https://img.novosti-kosmonavtiki.ru/33572.png) NWS MelbourneПодлинная учетная запись @NWSMelbourne (https://twitter.com/NWSMelbourne) 52 мин. назад (https://twitter.com/NWSMelbourne/status/843291576369643521)
Tonight's #DeltaIV (https://twitter.com/hashtag/DeltaIV?src=hash) rocket launch was captured by GOES-16! Both the heat and moisture plumes were visible on satellite shortly after liftoff!
(https://img.novosti-kosmonavtiki.ru/157471.jpg)
ЦитироватьВо Флориде стартовала ракета Delta IV со спутником связи для ВС США
ВАШИНГТОН, 19 мар – РИА Новости. Ракета Delta IV стартовала во Флориде со спутником связи WGS-9 для ВС США и стран-союзников, компания United Launch Alliance (ULA), которой принадлежит ракета, ведет прямую трансляцию запуска.
Старт ракеты-носителя был дан в 3.18 мск с космодрома на мысе Канаверал (штат Флорида).
Спутник WGS-9, созданный компанией Boeing, предназначен для передачи сигналов между военными кораблями, подводными лодками, самолетами, наземными войсками, а также для обеспечения проведения видеоконференции в защищенном режиме и получения метеосводки. Доступ к новому спутнику помимо США будет обеспечен для ВС Австралии, Канады, Дании, Новой Зеландии и Люксембурга.
Созвездие спутников WGS приходит на смену спутниковой системе DSCS для обеспечения коммуникации вооруженных сил США и их партнеров.
ЦитироватьЗловредный пишет:Такое ощущение, что в нашей космонавтике все средства ушли на написание отчетов о проделанной работе или на объяснительные почему это сделать не удалось. За рубежом столько новых ракет понаделали, а мы никак с Ангарой не разберемся.
Итак, уже 6:1. Не в пользу России. Когда, наконец, люди очнутся и поймут, что происходит со страной?
ЦитироватьАмериканская ULA запустила ракету со спутником связи военного назначения
НЬЮ-ЙОРК, 19 марта. /Корр. ТАСС Алексей Качалин/. Американская компания United Launch Alliance (ULA) осуществила в субботу запуск с базы ВВС США на мысе Канаверал (штат Флорида) ракеты-носителя Delta IV. Она вывела в космос спутник WGS-9 военного назначения.
"Траектория полета аппарата точна. Ракетный двигатель RL-10 функционирует по-чемпионски", - сообщила ULA.
Компания уточнила, что это был 35-й по счету запуск ракеты Delta IV. Первый состоялся в 2002 году. WGS-9 описывается как "важный элемент новой мощной системы коммуникационных спутников, обеспечивающих связью американские войска в полевых условиях".
ULA - совместное предприятие американских корпораций Boeing и Lockheed Martin. Delta IV имеет три двигателя и способна доставлять на орбиту полезный груз массой примерно до 29 тонн.
Цитироватьzandr пишет:zandr, подтормаживаешь
http://tass.ru/kosmos/4107423
Цитироватьtnt22 пишет:Я уже как-то попривык, что Вы в англоязычном... :oops:Цитироватьzandr пишет:zandr , подтормаживаешь
http://tass.ru/kosmos/4107423
http://novosti-kosmonavtiki.ru/forum/messages/forum12/topic15778/message1626905/#message1626905
ЦитироватьЗловредный пишет:Первая Дельта в этом году. А SpaceX уже запустила 3 Фалькона! Что происходит с Боингом???
Итак, уже 6:1. Не в пользу России. Когда, наконец, люди очнутся и поймут, что происходит со страной?
Цитироватьzandr пишет:Если бы пуск состоялся в намеченное время, то фото ещё как-то могло прокатить, но пуск был уже на исходе навигационных сумерек (это граница различимости контуров рельефа местности, для обычного чела - ночь) => это фото точно не от этого пуска - что было у редакции под рукой (подвернулся Assosiated Press) более-менее похожее, то и вставили...
Кстати, а трек там разве сабжа?
Цитироватьzandr пишет:Просто русскоязычный сегмент космоинфы, к сожалению, по-беднее будет. Это касается и отраслевых фирм, и СМИ любых уровней. Пример - НАСА (как минимум более десятка аккаунтов в твиттере) vs Роскосмос (один, подчеркиваю - один единственный, твиттер-аккаунт). Многие отраслевые фирмы месяцами, а то и годами, не обновляют свои сайты. А так я не чураюсь любых языков - сейчас это не является проблемой, хотя машинные переводы даже с английского/на английский часто оставляют желать лучшего :( , чего уж про другие языцы говорить (если не лень - здесь (http://novosti-kosmonavtiki.ru/forum/forum12/topic15844/) и здесь (http://novosti-kosmonavtiki.ru/forum/forum12/topic15794/) примеры), тем более что русский не всегда в приоритете :(
Я уже как-то попривык, что Вы в англоязычном... :oops:
ЦитироватьV.B. пишет:с боингом ничего не происходит.
Первая Дельта в этом году. А SpaceX уже запустила 3 Фалькона! Что происходит с Боингом???
ЦитироватьОпубликовано: 19 мар. 2017 г.
Hope you can view the 4K. We post the entire flight until over the horizon. ULA does not. The second stage is hundreds of miles across the Atlantic in Space. The ability to track a Florida Launch for this lenght is rare. Thousands of people wathching all around the Cape.
Цитироватьsilentpom пишет:Действительно, сейчас проверил, в прошлом году было 4 Дельты. То есть одна штука в квартал - это норма.ЦитироватьV.B. пишет:с боингом ничего не происходит.
Первая Дельта в этом году. А SpaceX уже запустила 3 Фалькона! Что происходит с Боингом???
да, а ранее у нас, что был град из дельт или тоже пуляли 2-3 штуки в год?
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 19 мар. (https://twitter.com/coastal8049/status/843523948440510464)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) AOS this morning after reports of it being heard in EU. Strong signal, with launch delay there's a chance of visual obs this evening
(https://img.novosti-kosmonavtiki.ru/157530.jpg)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 3 ч. назад (https://twitter.com/coastal8049/status/850897883381415936)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) has apparently begun spiralling into checkout position near #WGS6 (https://twitter.com/hashtag/WGS6?src=hash) & #WGS8 (https://twitter.com/hashtag/WGS8?src=hash). TLE is rough estimate that fits position and Doppler data
(https://img.novosti-kosmonavtiki.ru/157580.png)
(https://img.novosti-kosmonavtiki.ru/157581.png)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 22 ч. назад (https://twitter.com/coastal8049/status/852349128071725057)
Solar eclipse season ends for #WGS6 (https://twitter.com/hashtag/WGS6?src=hash) and #WGS8 (https://twitter.com/hashtag/WGS8?src=hash) as #WGS9 (https://twitter.com/hashtag/WGS9?src=hash) closes in on check out position.
(https://img.novosti-kosmonavtiki.ru/157939.png)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 20h ago (https://twitter.com/coastal8049/status/853480598312148993)Обещанные детали - http://www.satobs.org/seesat/Apr-2017/0124.html
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) visually observed between 'atmospheric rivers'... Observations and analysis on seesat-l later...
(https://img.novosti-kosmonavtiki.ru/157870.png)
(https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 2h ago (https://twitter.com/coastal8049/status/853747157999824896)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) orbit refined using long arc of visual observations. See Seesat-L for details: https://goo.gl/i8ohZn (https://t.co/SwrfDwH5In)
(https://img.novosti-kosmonavtiki.ru/157880.png)
(https://img.novosti-kosmonavtiki.ru/157881.jpg)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 17 апр. (https://twitter.com/coastal8049/status/853807914573680640)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) orbit visualization...
https://video.twimg.com/tweet_video/C9lVoXmUwAAI-nj.mp4 (https://video.twimg.com/tweet_video/C9lVoXmUwAAI-nj.mp4)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 2 ч. назад (https://twitter.com/coastal8049/status/854168832339976192)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) appears to be using ion thruster as noted in constant change of eccentricity. Data points based on fitting only to ecc each day.
(https://img.novosti-kosmonavtiki.ru/157937.png)
(https://img.novosti-kosmonavtiki.ru/157938.jpg)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 23 апр. (https://twitter.com/coastal8049/status/855999292615544832)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) appears to have entered ion prop phase ~April 5th. Impulse change to Doppler noted before. Near steady rate of ecc decrease since.
(https://img.novosti-kosmonavtiki.ru/158186.png)
(https://img.novosti-kosmonavtiki.ru/158187.jpg)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 16 мин. назад (https://twitter.com/coastal8049/status/859106785872957440)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) visually tracked again. Visual observations confirm Doppler measurements as mission continues to decrease orbital eccentricity
(https://img.novosti-kosmonavtiki.ru/159078.png)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 10 мин. назад (https://twitter.com/coastal8049/status/859111783553835008)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) visual orbit comparison.
(https://img.novosti-kosmonavtiki.ru/159087.png)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 6 ч. назад (https://twitter.com/coastal8049/status/863820923702394880)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) continues on ion drive to GEO orbit as ecc decreases at slow linear rate Predicting arrival on or about June 15.
(https://img.novosti-kosmonavtiki.ru/159364.jpg)
(https://img.novosti-kosmonavtiki.ru/159363.png)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 14 ч. назад (https://twitter.com/coastal8049/status/874457006995677184)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) seems to be playing by my script (https://img.novosti-kosmonavtiki.ru/125479.png)Doppler curve amplitude rapidly decreases in amplitude a few more days and it should be stationary
(https://img.novosti-kosmonavtiki.ru/163507.png)
Цитировать (https://img.novosti-kosmonavtiki.ru/32932.jpg) Scott Tilley @coastal8049 (https://twitter.com/coastal8049) 8 июл. (https://twitter.com/coastal8049/status/883787499453136897)
#WGS9 (https://twitter.com/hashtag/WGS9?src=hash) TT&C beacon reappears July 7 after switching off on June 17. New curve consistent with #WGS8 (https://twitter.com/hashtag/WGS8?src=hash)'s behaviour on March 21.
(https://img.novosti-kosmonavtiki.ru/164619.png)Спойлер
(https://img.novosti-kosmonavtiki.ru/164618.png)
(https://img.novosti-kosmonavtiki.ru/164620.png)[свернуть]