Aerojet Rocketdyne Holdings
May 24, 2017

Aerojet Rocketdyne Selected As Main Propulsion Provider for Boeing and DARPA Experimental Spaceplane

LOS ANGELES, May 24, 2017 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), was selected to provide the main propulsion for the Boeing and the U.S. Defense Advanced Research Projects Agency (DARPA) reusable Experimental Spaceplane (XS-1). Aerojet Rocketdyne is a member of the Boeing team that recently announced an agreement to collaborate with DARPA to design, build and test a technology demonstrator for the agency's XS-1 program.

The reusable experimental spaceplane is designed to deliver small satellites into orbit with high launch responsiveness. The main propulsion is based on the legacy space shuttle main engines (SSME).

"As one of the world's most reliable rocket engines, the SSME is a smart choice to power the XS-1 launch vehicle," said Aerojet Rocketdyne CEO and President Eileen Drake. "This engine has a demonstrated track record of solid performance and proven reusability."

For the XS-1 program, Aerojet Rocketdyne is providing two engines with legacy shuttle flight experience to demonstrate reusability, a wide operating range and rapid turnarounds. These engines will be designated as AR-22 engines and will be assembled from parts that remained in both Aerojet Rocketdyne and NASA inventories from early versions of the SSME engines. Assembly and ground testing will take place at NASA's Stennis Space Center in Mississippi.

"As threats to our nation's space systems increase, it is imperative that we have the ability to rapidly deploy replacement assets," added Drake. "This demonstration program is vitally important to maintaining assured access to space, which remains a top priority for our nation."

Aerojet Rocketdyne is an innovative company delivering solutions that create value for its customers in the aerospace and defense markets. The company is a world-recognized aerospace and defense leader that provides propulsion and energetics to the space, missile defense and strategic systems, tactical systems and armaments areas, in support of domestic and international markets. Additional information about Aerojet Rocketdyne can be obtained by visiting our websites at www.Rocket.com and www.AerojetRocketdyne.com.

Contact:

Glenn Mahone, Aerojet Rocketdyne, 202-302-9941

Glenn.Mahone@Rocket.com

Mary Engola, Aerojet Rocketdyne, 571-289-1371

Mary.Engola@Rocket.com

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Source: Aerojet Rocketdyne, Inc.

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