Kuiper KA-04 (x27) – Atlas V 551 – Cape Canaveral SLC-41 – 15.12.2025 08:52 UTC

[zandr]

https://x.com/ulalaunch/status/1991886209275068715

ULA  @ulalaunch
The fourth launch of the United Launch Alliance (ULA) Atlas V 551 rocket carrying the next batch of production satellites for Amazon Leo (formerly Project Kuiper), Leo 4, is planned for Dec. 15, 2025, pending range approval. The launch window opens at 3:52 a.m. EST.
 This launch continues a new chapter in the commercial launch industry as Amazon Leo partners with ULA to deliver the majority of its advanced satellites to low Earth orbit (LEO).

[zandr]

https://x.com/GewoonLukas_/status/1991902200579448864

Lukas C. H.  @GewoonLukas_
ULA has announced that their next launch will be another Atlas V 551 for Amazon LEO (formerly Project Kuiper). The mission is designated LA-04, and will carry another batch of 27 satellites into space. The launch is scheduled for NET December 15th at 08:52 UTC.