Aerojet Rocketdyne Completes RS-68A Engine’s Final Hot-fire Acceptance Test
Aerojet Rocketdyne has passed the final hot-fire acceptance test of an upgraded hydrogen-fueled rocket engine that will be used to power the United Launch Alliance-built Delta IV Heavy launch vehicle. The RS-68A engine's most recent evaluation was conducted on the B-1 Test Stand at the Stennis Space Center of NASA in Mississippi.