Aerojet Rocketdyne Provides Propulsion for NASA's Global Precipitation Measurement Satellite

Aerojet Rocketdyne Provides Propulsion for NASA's Global Precipitation
Measurement Satellite

SACRAMENTO, Calif., Feb. 27, 2014 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a
GenCorp (NYSE:GY) company, provided propulsion for NASA's Global Precipitation
Measurement (GPM) Core Observatory satellite, launched from JAXA's Tanegashima
Space Center in Japan aboard a Japanese H-IIA rocket. Once separated from the
launch vehicle, the GPM satellite uses 12 Aerojet Rocketdyne MR-106L 5.0 lbf
monopropellant thrusters for attitude control.

"We are proud to be part of a mission that will help advance understanding of
Earth's water and energy cycles, improve the forecasting of extreme events
that cause natural disasters, and make use of satellite precipitation
information to directly benefit society," said Warren Yasuhara, vice president
of Space Systems at Aerojet Rocketdyne. "Knowing what the weather brings is a
key part of being prepared—at work, at home and on the road, and the Aerojet
Rocketdyne team is honored to help deliver this capability."

The GPM Core Observatory is an international satellite designed to provide
advanced observations of rain and snowfall worldwide, several times a day to
enhance scientists' understanding of the water and energy cycles that drive
Earth's climate. The data will be used to calibrate precipitation measurements
made by an international network of partner satellites to quantify when, where
and how much it rains or snows around the world.

With the addition of the new Core Observatory, the satellites in the GPM
constellation will include the NASA-National Oceanic and Atmospheric
Administration (NOAA) Suomi National Polar-orbiting Partnership mission; the
NASA-JAXA Tropical Rainfall Measuring Mission (TRMM); and several other
satellites managed by JAXA, NOAA, the U.S. Department of Defense, the European
Organisation for the Exploitation of Meteorological Satellites, the Centre
National D'Etudies Spatiales of France, and the Indian Space Research
Organisation.

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
         Glenn.Mahone@Rocket.com
         Erin Dick, Aerojet Rocketdyne, 818.586.4977
         Erin.Dick@Rocket.com

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