Parabolic Arc: SACRAMENTO, Calif., Feb. 29, 2016 (Aerojet Rocketdyne PR) – 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. The AR1 engine is designed as a replacement for the Russian-built RD-180 engine, currently being used to launch America’s defense and national security assets on the Atlas V launch vehicle. AR1 is a 500,000 lbf thrust-class liquid oxygen/kerosene booster engine incorporating the latest technology, processes and materials. This engine is adaptable to current and future launch vehicles in development. “The AR1 engine is the right catalyst for moving our nation away from Russian reliance and returning America’s preeminence as a propulsion leader,” said Jim Simpson, senior vice president of Strategy and Business Development at Aerojet Rocketdyne. “Our collaboration with Dynetics in developing key AR1 components is an essential element to having a certified engine in 2019.” Dynetics has been an integral member of the AR1 development team over the last 18 months and, with this award, that cooperation will increase. Under a Teaming Agreement, Dynetics will supply elements of the AR1 ...