Aerojets Improved Rocket Motor Propels Lockheed Martin’s GMLRS+ Demonstration

SACRAMENTO, Calif., Aug. 18, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that its improved Guided Multiple Launch Rocket System (GMLRS) rocket motor propelled the successful Lockheed Martin Missiles and Fire Control GMLRS+ flight test at White Sands Missile Range.

Aerojet's Upper Stage Engine Technology Hydrogen Turbopump Achieves 100 Percent Operational Speed

SACRAMENTO, Calif., Aug. 11, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announces the successful testing of the state-of-the-art Upper Stage Engine Technology (USET) Hydrogen Turbopump Assembly (TPA) at the Air Force Research Laboratory (AFRL), Edwards Air Force Base, Calif.

Aerojet Solid Rocket Boosters Help Launch Juno Mission

SACRAMENTO, Calif., Aug. 5, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced its key role in the successful launch of United Launch Alliance’s (ULA) Atlas V rocket from Cape Canaveral, Fla., carrying NASA’s Juno spacecraft on a mission toward Jupiter.

Shuttle Atlantis Return Marks Final Flight Milestone

SACRAMENTO, Calif., July 21, 2011 – Aerojet, a GenCorp (NYSE: GY) company, salutes today’s return of orbiter Atlantis and the NASA human spaceflight team for this historic mission and 30 years of flight for an American icon.

Aerojets Engines Launch Second GPS Block IIF-2 Satellite

SACRAMENTO, Calif., July 21, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that its engines contributed to last weekend’s successful launch of the second Global Positioning System (GPS) Block IIF satellite. Aerojet will continue to provide propulsion throughout the life of the satellite.