Aerojet Rocketdyne Propulsion Supported United Launch Alliance's Successful Atlas V Mission for the U.S

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May 22, 2014 Aerojet Rocketdyne Propulsion Supported United Launch Alliance's Successful Atlas V Mission for the U.S. Government SACRAMENTO, Calif., May 22, 2014 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a GenCorp (NYSE:GY) company, played a significant role in successfully launching a national security payload into orbit for the U.S. government. The mission was launched from Cape Canaveral Air Force Station in Florida aboard a United Launch Alliance (ULA) Atlas V rocket, with an Aerojet Rocketdyne RL10A-4-2 upper-stage engine, five helium pressurization tanks and a dozen Centaur upper-stage thrusters used for roll, pitch, yaw and settling burns. "Aerojet Rocketdyne is proud to help deliver this critical payload to orbit," said Steve Bouley, vice president of Space Launch Systems at Aerojet Rocketdyne. "We understand the importance these missions play in our national security, and we are honored our customers selected us to provide the safest, most dependable propulsion systems on the market." After the Atlas V lifted off the pad and the Centaur upper stage separated from the launch vehicle, a single RL10A-2 engine ignited to place the payload into orbit, helped by the Centaur thrusters and other Aerojet Rocketdyne-provided hardware for both the booster and upper stage. The ever-reliable RL10A-4-2 engine delivers 22,300 pounds of thrust to power the Atlas V upper-stage, using cryogenic liquid hydrogen and liquid oxygen propellants during its operation. ARDÉ, a subsidiary of Aerojet Rocketdyne based in New Jersey, provides the pressure vessels on the first and second stages on the launch vehicle. Twelve Aerojet Rocketdyne monopropellant (hydrazine) thrusters in four modules on the Atlas V Centaur upper stage provided roll, pitch and yaw control as well as settling burns for the upper stage. Aerojet Rocketdyne is a world-recognized aerospace and defense leader providing propulsion and energetics to the space, missile defense and strategic systems, tactical systems and armaments areas, in support of domestic and international markets. GenCorp is a diversified company that provides innovative solutions that create value for its customers in the aerospace and defense, and real estate markets. Additional information about Aerojet Rocketdyne and GenCorp can be obtained by visiting the companies' websites at www.Rocket.com and www.GenCorp.com. CONTACT: Glenn Mahone, Aerojet Rocketdyne, 202.302.9941 [email protected] Erin Dick, Aerojet Rocketdyne, 818-586-4977 [email protected] Source: Aerojet Rocketdyne News Provided by Acquire Media.

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