United Launch Alliance (ULA) is an American launch service provider, a joint venture between Lockheed Martin Space and Boeing Defense, Space & Security. As a launch provider, ULA designs, assembles, sells, and launches rockets like the Atlas V and Vulcan Centaur, providing access to space for national security payloads, commercial satellites, and deep-space exploration missions. Its primary customers include the U.S. Department of Defense, NASA, and commercial entities. Key activities involve launch services, rocket development, and partnerships with organizations like NASA and ESA for various space missions.
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United Launch Alliance is using a streamlined roll-to-launch flow for the Atlas V mission supporting Amazon Leo.
United Launch Alliance says the altered countdown process is intended to increase launch cadence by reducing the time the rocket spends at the pad.
The Atlas V rollout to Space Launch Complex 41 occurred 23 days after Amazon Leo's last mission with United Launch Alliance.
Only SpaceX and United Launch Alliance currently hold Lane 2 certification under the National Security Space Launch contract.
Leo Atlas 6 (LA-06) is a United Launch Alliance mission carrying 29 Leo satellites.
ULA's launch readiness review cleared prelaunch preparations for Atlas V's sixth Amazon Leo constellation mission.
ULA's early weather forecast for the Atlas V Amazon Leo 6 launch is 75% favorable.
Atlas V received a payload of 29 satellites for the next United Launch Alliance mission for Amazon.
United Launch Alliance ground crews began preparing for the Leo 6 mission a week after the fifth Atlas V rocket for Amazon Leo launched successfully.
United Launch Alliance mated all 5 solid rocket boosters and stacked the Centaur Upper Stage atop the Atlas V rocket for the Amazon Leo LA-06 mission.
Tory Bruno became the President of Blue Origin’s National Security Group after leaving United Launch Alliance less than two months earlier.
United Launch Alliance moved the payload fairing to Space Launch Complex 41 for the Amazon Leo LA-06 mission.
United Launch Alliance will launch 29 advanced broadband satellites for Amazon Leo later in April 2026 on an Atlas V 551 rocket.
The U.S. Space Force reassigned the final GPS III satellite launch, SV-10, from United Launch Alliance’s Vulcan rocket to a SpaceX Falcon 9 in late March 2026.
Ongoing investigations into Vulcan booster anomalies prompted the U.S. Space Force to move GPS III launch SV-10 from ULA’s Vulcan to SpaceX Falcon 9.
Moog Inc. has worked as a sub-tier supplier to Boeing, Northrop Grumman, Lockheed Martin, RTX subsidiary Collins Aerospace, and United Launch Alliance for Artemis programs.
Amazon Leo plans to launch its constellation with Arianespace, Blue Origin, SpaceX, and United Launch Alliance.
United Launch Alliance launches only when customers buy a flight and has no business outside launch.
Five companies—Rocket Lab, Stoke Space, Blue Origin, SpaceX, and United Launch Alliance—are eligible to compete for U.S. government national security missions.
United Launch Alliance has delivered a total of 139 satellites for Amazon Leo.