Atlas 5

April 19, 2026

Breaking News

[ April 19, 2026 ] Live Coverage: Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster Mission Reports
[ April 18, 2026 ] Live coverage: SpaceX to attempt 600th Falcon booster landing amid West Coast Starlink mission Falcon 9
[ April 16, 2026 ] Blue Origin hot fires its first previously flown booster, prepares for weekend launch Mission Reports
[ April 15, 2026 ] Blue Origin one step closer to launching New Glenn from Vandenberg Space Force Base New Glenn
[ April 15, 2026 ] West Coast SpaceX Falcon 9 mission launches 25 Starlink satellites Falcon 9

Boeing Starliner launch Saturday ruled out as helium leak analysis continues

May 22, 2024 William Harwood

Plans to launch Boeing’s oft-delayed Starliner spacecraft on its first crewed test flight Saturday were put on hold Tuesday night to give managers more time to evaluate a small helium leak in the ship’s propulsion system. A new launch target was not announced.

NASA, Boeing further delay Starliner Crew Flight Test launch amid ongoing helium leak review

May 17, 2024 Will Robinson-Smith

The shift in launch date is to allow more time to build in redundancy to account for the helium leak. The launch is currently scheduled for no earlier than Saturday, May 25, at 3:09 p.m. EDT (1909 UTC).

Boeing Starliner launch slips to May 21 to verify helium leak fix

May 14, 2024 William Harwood

Launch of a United Launch Alliance Atlas 5 rocket carrying Boeing’s Starliner capsule is slipping another four days, from Friday to next Tuesday, to give engineers time to make sure a helium leak in the crew ship’s propulsion system has been resolved, officials said Tuesday.

Atlas 5 valve repair will delay Starliner’s first crewed mission to May 17 at the earliest

May 8, 2024 Will Robinson-Smith

United Launch Alliance (ULA) is set to roll its Atlas 5 rocket and the Starliner spacecraft back to the Vertical Integration Facility on Wednesday to begin working on the problematic valve. The new launch date is no earlier than Friday, May 17, at 6:16 p.m. EDT (2016 UTC).

Starliner launch scrubbed by trouble with a valve in the Atlas 5’s Centaur upper stage

May 7, 2024 William Harwood

An Atlas 5 rocket carrying astronauts for the first time was fueled for blastoff Monday night to boost Boeing’s long-delayed Starliner crew ferry ship into orbit for its first piloted test flight. But trouble with a valve in the rocket’s upper stage forced mission managers to order a scrub just two hours before takeoff.

Long-delayed Boeing Starliner ready for first piloted flight to space station

May 6, 2024 William Harwood

Years behind schedule and more than a billion dollars over budget, Boeing’s Starliner capsule is finally poised for its first piloted launch Monday, a critical test flight carrying two veteran astronauts to the International Space Station and in so doing, demonstrate an alternative to SpaceX’s already operational Crew Dragon.

Boeing Starliner launch Saturday ruled out as helium leak analysis continues

NASA, Boeing further delay Starliner Crew Flight Test launch amid ongoing helium leak review

Boeing Starliner launch slips to May 21 to verify helium leak fix

Atlas 5 valve repair will delay Starliner’s first crewed mission to May 17 at the earliest

Starliner launch scrubbed by trouble with a valve in the Atlas 5’s Centaur upper stage

Long-delayed Boeing Starliner ready for first piloted flight to space station

NASA astronauts arrive at Kennedy Space Center ahead of Boeing Starliner Crew Flight Test

Boeing, ULA roll Starliner spacecraft out to pad 41 ahead of Crew Flight Test launch in May

Boeing, NASA target May 1 for first crewed flight of Starliner to the space station

Aerojet Rocketdyne, ULA mark 60th anniversary of RL10 rocket engine