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Press Releases

Aerojet Rocketdyne Completes Critical Design Review for AR1 Engine

Milestone keeps AR1 on track for certification for flight in 2019 LOS ANGELES, May 08, 2017 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), successfully completed its Critical Design Review (CDR) for AR1, a 500,000 lbf thrust-class, liquid-fueled rocket engine.

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Successful Testing of Full-Scale Preburner Keeps AR1 Engine on Schedule for 2019

STENNIS SPACE CENTER, Miss., May 04, 2017 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), recently conducted hot-fire tests to validate the design of the preburner for the AR1 rocket engine, which represents the nation's lowest-risk, lowest-cost-to-the-taxpayer and fastest path to replacing the Russian-built RD-180 engine currently used to launch most U.S. national security payloads into space.

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Aerojet Rocketdyne’s AR1 Engine Sets U.S. Record

STENNIS SPACE CENTER, Miss., Feb. 22, 2017 – Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), recently demonstrated the highest chamber pressure of any United States produced liquid oxygen and kerosene main combustion system. This milestone occurred during a series of successful test firings of the AR1’s staged combustion system at NASA’s Stennis Space Center.

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Aerojet Rocketdyne Continues Southeast Expansion - AR1 Engine Production to Add 100 New Jobs in Huntsville

SACRAMENTO, Calif., Jan. 30, 2017 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), announced it is moving forward with plans to produce America's newest advanced rocket engine, the AR1, in Huntsville, Alabama, resulting in the creation of 100 new jobs. AR1 is the latest engine in development by Aerojet Rocketdyne, America's premier large liquid rocket engine manufacturer.

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Aerojet Rocketdyne’s Interns Gain Powerful Experience

SACRAMENTO, Calif., Sept. 26, 2016 – Aerojet Rocketdyne, Inc., a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE: AJRD), hosted its largest group of college interns this summer with 79 students. In the past three years, Aerojet Rocketdyne has hired 196 interns from more than 50 different universities across the nation.

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Aerojet Rocketdyne Announces Expansion at NASA's Stennis Space Center in Mississippi

FARNBOROUGH, England, July 11, 2016 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), announced that assembly and testing of its AR1 advanced liquid rocket engine will take place at NASA's Stennis Space Center in Mississippi. As a result, the company is expanding its Center of Excellence for Large Liquid Rocket Engine Assembly and Test there. The AR1 is being developed to support the country's mandate to eliminate U.S. reliance on the Russian RD-180 engine for national security space launches by 2019.

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AR1 Testing Underway at NASA's Stennis Space Center

SACRAMENTO, Calif., June 17, 2016 – Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE: AJRD), achieved full-power during a critical preburner test series at NASA’s Stennis Space Center earlier this month. The test series successfully verified key preburner injector design parameters for the company’s AR1 engine that is being designed to end use of Russian engines for national security space launches.

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Aerojet Rocketdyne, ULA Announce Public-Private Partnership With USAF to Develop RD-180 Replacement Engine

SACRAMENTO, Calif., Feb. 29, 2016 (GLOBE NEWSWIRE) -- The U.S. Air Force selected Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), and United Launch Alliance (ULA) to share in a public-private partnership to develop jointly the AR1 engine - an American-made rocket propulsion system.

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Aerojet Rocketdyne Names Dynetics as Key AR1 Engine Team Member

SACRAMENTO, Calif., Feb. 29, 2016 – Following the U.S. Air Force selection of AR1 for a Rocket Propulsion System award, Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE: AJRD), named Dynetics of Huntsville, Alabama, as a key team member for the AR1 engine development.

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Setting the Standard for 3-D Printed Rocket Engines

SACRAMENTO, Calif., Jan. 5, 2016 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE: AJRD), received a $6 million contract from the U.S. Air Force to define the standards that will be used to qualify additively manufactured components for use in liquid-fueled rocket engine applications.

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Aerojet Rocketdyne Successfully Completes Major Design Milestone for AR1 Engine to Meet 2019 Deadline

SACRAMENTO, Calif., Dec. 17, 2015 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE: AJRD), announced it completed a key design milestone for its AR1 rocket engine this week. AR1 is an American-made engine that is being developed as a direct replacement for the Russian-made RD-180 engines that currently power launches of the majority of national security satellites to orbit for the U.S. government.

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Aerojet Rocketdyne Cuts Ribbon on Premiere Propulsion and Innovation Center

SACRAMENTO, Calif., Nov. 6, 2015 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD), today hosted a ribbon cutting ceremony attended by more than 300 people, including local dignitaries, suppliers, customers, company leaders and employees. The event celebrated the company's completion of a $140 million infrastructure improvement project that has increased operating efficiency, reduced costs and positioned the company to bring new programs to the Los Angeles facility.

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Aerojet Rocketdyne Moves Forward With AR1 Engine Testing at NASA Stennis Space Center to Keep AR1 Engine on Track for 2019

SACRAMENTO, Calif., June 16, 2015 – Aerojet Rocketdyne (NYSE:AJRD) and NASA Stennis Space Center signed a Space Act Agreement for test services and test stand support of the AR1 multi-element pre-burner and main injector. Currently in development by Aerojet Rocketdyne, the AR1 engine is a replacement for the Russian-made RD-180 engines that power the Atlas V launch vehicle. This agreement builds on the current assembly and testing of the company’s RS-68 and RS-25 engines at NASA Stennis.

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Aerojet Rocketdyne Hot-Fire Tests Additive Manufactured Compontents for the AR1 Engine to Maintain 2019 Delivery

SACRAMENTO, Calif., March 16, 2015 – Aerojet Rocketdyne, a GenCorp (NYSE:GY) company, has recently completed a successful series of hot-fire tests of key additively manufactured components for its AR1 booster engine at its Sacramento test facility. The testing of the main injector elements represents another important milestone in the development of the AR1 engine and the company’s commitment to having a certified engine in production in 2019.

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Aerojet Rocketdyne Responds to Air Force Request for Information With New American Rocket Engine Solution

SACRAMENTO, Calif., Oct. 1, 2014 (GLOBE NEWSWIRE) -- Aerojet Rocketdyne, a GenCorp (NYSE:GY) company, announced today that it submitted a formal response to the U.S. Air Force's Request for Information on options for future booster propulsion and launch systems that could be used as alternatives to foreign-supplied RD-180 engines.

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