AR-22 engine tested 10 times in 10 days

Aerojet Rocketdyne successfully fired its AR-22 booster rocket engine for 10 times over a period of 10 days. The engine will power the DARPA’s Experimental Spaceplane that is being built by Boeing.

Photo: DARPA

“Phantom Express is a disruptive, reusable launch system. Successfully completing this highly demanding rocket engine test series validated a new level of booster capability for this transformational launch vehicle,” said Eileen Drake, Aerojet Rocketdyne CEO and president. “Turning the AR-22 within 24 hours repeatedly over 10 days demonstrates the capability of this engine and the ability to enable rapid, responsive access to space.”


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