GEM-63XL – Spaceflight Now

May 25, 2026

Breaking News

[ May 24, 2026 ] SpaceX launches 29 Starlink satellites on Memorial Day Falcon 9
[ May 23, 2026 ] Musk praises “epic” Super Heavy-Starship launch Mission Reports
[ May 21, 2026 ] Launch preview: SpaceX tries again for first launch of its Starship Version 3 rocket Mission Reports
[ May 20, 2026 ] SpaceX’s sunrise Starlink launch adds 29 satellites to low Earth orbit megaconstellation Falcon 9
[ May 20, 2026 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket launch from Vandenberg SFB Falcon 9

Solid rocket motor test-fired for Atlas 5 debut next year

October 20, 2019 Stephen Clark

A new solid rocket motor built by Northrop Grumman has aced its final test-firing before a scheduled debut on a United Launch Alliance Atlas 5 rocket flight next year.

Orbital ATK, SpaceX nab U.S. Air Force propulsion contracts

January 14, 2016 Stephen Clark

Orbital ATK and SpaceX won Pentagon contracts worth a combined value of up to $241 million Wednesday in public-private partnerships crafted to hasten the U.S. military’s move away from Russian-supplied propulsion to deliver national security satellites to orbit.

Orbital ATK beats out Aerojet in ULA booster selection

September 22, 2015 Stephen Clark

United Launch Alliance has selected Orbital ATK to provide solid rocket boosters for the company’s next-generation Vulcan launcher, and will switch the workhorse Atlas 5 to the new booster supplier by the end of 2018, officials said Tuesday.