Aerojet Rocketdyne Successfully Completes First in a Series of Full-Motion Tests on America's Next Rocket Engine

SACRAMENTO, Calif., June 21, 2013 – The leading rocket engine manufacturer Aerojet Rocketdyne, a GenCorp (NYSE: GY) company, announced today that it successfully completed the first in a series of full motion hot-fire tests on the J-2X engine at John C. Stennis Space Center in Mississippi.

European Space Propulsion Secures First Flight Contract to Deliver FORMOSAT- 7 Thrusters

BELFAST, Northern Ireland, June 21, 2013 – European Space Propulsion (ESP), an Aerojet Rocketdyne company, announced today that it has signed a contract with Surrey Satellite Technology Limited (SSTL) for the delivery of 19 MR-103 thrusters for the FORMOSAT-7 program.

European Space Propulsion and European Astrotech Limited Sign Fueling Services Agreement

BELFAST, Northern Ireland, June 19, 2013 – European Space Propulsion (ESP), an Aerojet Rocketdyne company, and European Astrotech Limited (EAL) announced today that they have signed an agreement to combine resources to support the growing satellite fueling services market.

Aerojet Rocketdyne SM-3 Block IIA TDACS Completes Full System Hot Fire Testing

SACRAMENTO, Calif., June 18, 2013 – Aerojet Rocketdyne, a GenCorp (NYSE: GY) company, announced that it completed its first Block IIA Throttling Divert and Attitude Control System (TDACS) fully-integrated flight weight system hot fire test for the Standard Missile-3 (SM-3) Block IIA program.

Aerojet Rocketdyne and Fakel Announce Expansion of Teaming Agreement for Low-Power Hall Thrusters

SACRAMENTO, Calif., June 18, 2013 – Aerojet Rocketdyne, a GenCorp (NYSE: GY) company, and Experimental Design Bureau (EDB) Fakel of Kaliningrad, Russia, announced today at the Paris Air Show the signing of an extension to the teaming agreement between the two companies.