
Aerojet Rocketdyne on Tuesday said its planned proposal for the Air Force’s next-generation rocket program that will provide an alternative to a Russian rocket will be flight qualified in 2019. The 500,000-pound thrust class liquid engine AR1 is currently in development and builds on 20-years of technology development and maturation through its RS-68, RL10 and J-2X rocket programs. The company said the AR1, which will also take advantage of existing manufacturing and test facilities, offers a “low-risk transition to affordable…