GEM-63XL – Spaceflight Now

May 5, 2026

Breaking News

[ May 5, 2026 ] Live coverage: SpaceX to launch 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
[ May 4, 2026 ] Lockheed Martin joins collaboration with Firefly Aerospace and Seagate for off-shore launches Alpha
[ May 2, 2026 ] SpaceX launches South Korean Earth observation satellite, plus 44 more payloads on midnight Falcon 9 rideshare mission Falcon 9
[ May 1, 2026 ] SpaceX marks May Day, National Space Day with Starlink mission on a Falcon 9 rocket from Cape Canaveral Falcon 9
[ April 29, 2026 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket 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.