Pratt & Whitney Rocketdyne powers Atlas V Upper Stage to launch X-37B into orbit

CANOGA PARK, Calif., 12 Dec. 2012. Propulsion systems from Pratt & Whitney Rocketdyne, a United Technologies Corp. (NYSE:UTX) company, and RD AMROSS LLC, a joint venture of Pratt & Whitney Rocketdyne and NPO Energomash, helped propel the United Launch AllianceAtlas V rocket, which launched the U.S. Air ForceX-37B into orbit.

The Atlas V is powered by the RD AMROSS RD-180 booster engine and a Pratt & Whitney Rocketdyne RL10A4-2 upper-stage engine.

"I am extremely proud of the tremendous efforts the RL10 team has expended for today's launch," says Christine Cooley, RL10 program manager, Pratt & Whitney Rocketdyne.

"We could not be more proud of our role in successfully launching the spacecraft on such an important mission," adds Bill Parsons, president and CEO of RD AMROSS.