United Launch Alliance (ULA)

ViaSat-3 F2 (ViaSat-3 EMEA) communications satellite to be launched to Geostationary Transfer Orbit; ViaSat-3 is a series of three Ka-band satellites; Hawai'i Time for launch 17:24-18:08.

Scheduled for 03:35 UTC-5, United Launch Alliance (ULA) rocket will take next batch of Amazon Leo (new name) satellites for internet system managed by Amazon subsidiary Kuiper Systems. ULA is a joint venture of Lockheed Martin Space and Boeing Defense, Space & Security.

2 identical satellites, GSSAP-7 and GSSAP-8 (Geosynchronous Space Situational Awareness Program) to near-geosynchronous orbit ~36,000km above Earth equator, contributing to timely and accurate orbital predictions, further enabling space flight safety including satellite collision avoidance. Vulcan Centaur VC4S is a 2-stage-to-orbit heavy-lift rocket, developed to replace ULA Atlas V and ULA […]

Top four-fifths of the Space Launch System (SLS) core stage will be moved from NASA Michoud Assembly Facility to load on a barge for delivery to Kennedy Space Center. Media are invited. Speakers will be featured. The SLS is already begun in the Vehicle Assembly Building with the engine section […]

First test after ULA Vulcan rocket launching from Florida on February 12, 2026, took a spacecraft to GSO but suffered an anomaly in one of the four solid rocket motors. NASA announcement week of March 11, 2026, said United Launch Alliance (ULA) Centaur V upper stage will be used for […]

Launch window 20:52-21:21 EDT | 14:52-15:21 HST | UTC April 28 00:52-01:21, for 29 satellites to Low Earth Orbit for Amazon Leo internet system. Constellation planned to be composed of ~7,236 satellites. ULA is a joint venture of Lockheed Martin Space and Boeing Defense, Space & Security.

29 satellites for broadband internet going to LEO on this launch, part of planned 7,000+ to be in 98 orbital planes in three altitudes, 590 / 610 / 630 kilometers. Atlas V rocket first stage uses RD-180 engine built by Russia that burns kerosene / liquid oxygen, and RL10 engine […]

Launch window open 19:33-20:02 EDT | 13:33-14:02 HST | 23:33 May 29 - 00:02 May 30 UTC for 29 communications satellites to LEO for broadband internet service.