Aerojet Rocketdyne – Page 15

December 7, 2025

Breaking News

[ December 5, 2025 ] International Space Station prepares for new commander, heads into final five years of planned operations Mission Reports
[ December 4, 2025 ] SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandengerg SFB Falcon 9
[ December 4, 2025 ] Orion hatch ‘blemish’ delays launch day rehearsal for Artemis 2 astronauts Mission Reports
[ December 3, 2025 ] Jared Isaacman makes second appeal for NASA administrator position News
[ December 2, 2025 ] Sunset SpaceX launch adds 29 more Starlink satellites into low Earth orbit Falcon 9

Atlas 5 to sport new upper stage engine Thursday

December 8, 2014 Justin Ray

The most powerful Atlas rocket to ever fly from the West Coast is poised for launch Thursday to deliver a secret payload into orbit while debuting a new upper stage engine.

Aerojet Rocketdyne touts AR1 engine for Atlas 5

October 1, 2014 William Harwood

Aerojet Rocketdyne is pressing ahead with development of a powerful new rocket engine that company officials believe will be an attractive alternative to the Russian-built RD-180 engine that now powers the first stage of United Launch Alliance’s workhorse Atlas 5 booster.