GEM-63XL – Spaceflight Now

September 18, 2025

Breaking News

[ September 17, 2025 ] SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral Falcon 9
[ September 16, 2025 ] NASA, Northrop Grumman postpone Cygnus XL arrival to ISS following propulsion issue Mission Reports
[ September 16, 2025 ] Live coverage: SpaceX to launch 24 Starlink satellites from Vandenberg SFB following weather scrub Falcon 9
[ September 15, 2025 ] Northrop Grumman’s 1st Cygnus XL spacecraft launches on cargo run to the space station Falcon 9
[ September 14, 2025 ] Launch preview: SpaceX to launch new, improved Northrop Grumman Cygnus XL resupply ship to the space station 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.