Aerojet Rocketdyne Supports Fifth Successful Launch in Six Weeks

Aerojet Rocketdyne Supports Fifth Successful Launch in Six Weeks

SACRAMENTO, Calif., Aug. 13, 2014 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a
GenCorp (NYSE:GY) company, supported the launch of the WorldView-3 commercial
remote sensing satellite into orbit – the fifth launch in six weeks. The
mission was launched from Vandenberg Air Force Base in California aboard a
United Launch Alliance (ULA) Atlas V rocket for Lockheed Martin Commercial
Launch Services. Aerojet Rocketdyne launch vehicle propulsion included an
RL10A-4-2 upper-stage engine, a dozen attitude control thrusters and six
helium pressurization tanks.

"The tempo of successful launches into orbit is testament to the dependability
and reliability of our propulsion systems, and we look forward to working with
our customers to ensure uninterrupted access to space," said Steve Bouley,
vice president of Space Launch Systems at Aerojet Rocketdyne.

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
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.

WorldView-3, owned and operated by DigitalGlobe, is the first multi-payload,
super-spectral, high-resolution commercial satellite for Earth observations
and advanced geospatial solutions. It is designed to collect up to 680,000
square kilometers of imagery per day, and sense both the visible spectrum as
well as deeper into the infrared spectrum. The satellite will carry an
atmospheric instrument called CAVIS (Cloud, Aerosol, water Vapor, Ice, Snow).
Built by Ball Aerospace & Technologies Corp., CAVIS is designed to monitor the
atmosphere and provide correction data to improve satellite imagery when it
images Earth objects through haze, soot and dust.

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 and

CONTACT: Glenn Mahone, Aerojet Rocketdyne, 202.302.9941
         Erin Dick, Aerojet Rocketdyne, 818.586.4977

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