Aerojet Rocketdyne News - 2011

SACRAMENTO, Calif., Sept. 29, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that along with NASA and Orbital Sciences Corporation (NYSE: ORB) (Orbital), the team conducted a successful ground test firing of an AJ26-62 flight engine that will power Orbital’s Taurus® II medium-class space launch vehicle. The test was conducted at NASA’s Stennis Space Center in Mississippi.

SACRAMENTO, Calif., Sept. 28, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that on Sept. 20, 2011, the United States Environmental Protection Agency (EPA) issued a Unilateral Administrative Order to Aerojet to carry out remedial design and remedial action for the groundwater within the Perimeter Groundwater Operable Unit at Aerojet’s Sacramento, Calif. facility.

SACRAMENTO, Calif. and HUNTSVILLE, Ala., Sept. 23, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today the expansion of its Huntsville offices to provide its local customers with additional engineering expertise, business development and program management support.

SACRAMENTO, Calif., Sept. 10, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced that its AJ10 engine successfully powered the second stage of today’s Delta II launch carrying a new generation of lunar exploration spacecraft.

SACRAMENTO, Calif., August 31, 2011 -- Aerojet, a GenCorp (NYSE: GY) company, announced that it accomplished several key developmental milestones on its Standard Missile-3 (SM-3) Blk IB Throttleable Divert and Attitude Control System (TDACS) by completing a series of full-up system performance tests.

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