Aerojet Rocketdyne Awarded Defense Contract for Large Scale Additive Manufacturing

Aerojet Rocketdyne Awarded Defense Contract for Large Scale Additive
Manufacturing

SACRAMENTO, Calif., Aug. 18, 2014 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a
GenCorp (NYSE:GY) company, was recently awarded a contract by Wright-Patterson
Air Force Base through the Defense Production Act Title III Office for
large-scale additive manufacturing development and demonstration. The contract
will secure multiple large selective laser melting machines to develop liquid
rocket engine applications for national security space launch services.
Aerojet Rocketdyne and its subcontractors will design and develop larger scale
parts to be converted from conventional manufacturing to additive
manufacturing (3D printing).

"Our liquid rocket engines have been used for half a century and our products
are highly efficient and complex with a safety and reliability record that is
unparalleled," said Jeff Haynes, program manager of Additive Manufacturing at
Aerojet Rocketdyne. "Incremental manufacturing advances have been applied over
the history of these programs with great success. Additive manufacturing
shifts these advances into high gear and ultimately transforms how these
engines are produced."

"We have developed and successfully demonstrated additive-manufactured
hardware over the last four years but the machines have been limited in size
to 10-inch cubes," said Steve Bouley, vice president of Space Launch Systems
at Aerojet Rocketdyne. "These next generation systems are about six times
larger, enabling more options for our rocket engine components. We are
extremely honored to have received this contract, and foresee the day when
additive-manufactured engines are used to boost and place important payloads
into orbit. The end result will be a more efficient, cost-effective engine."

Under the contract, Aerojet Rocketdyne will demonstrate three different alloys
with these larger additive manufacturing machines to include nickel, copper
and aluminum alloys. Parts ranging from simple, large ducts to complex heat
exchangers are planned to be demonstrated in full scale. The program scope is
expected to replace the need for castings, forgings, plating, machining,
brazing and welding.

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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