Aerojet Rocketdyne’s planned replacement for the Russian-made RD-180 rocket, in use in military launches, passed its critical design review, the company announced Monday. The 500,000-pound thrust, liquid-fueled rocket, known as AR1, is planned for flight in 2019 as part of a Congressional mandate to replace the RD-180 with a US-made engine. The design review proves the company finalized its design and confirms it meets requirements for National Security Space missions, Aerojet Rocketdyne CEO Eileen Drake said in a release. The Air Force has awarded contracts to Aerojet Rocketdyne, United Launch Alliance, SpaceX, and Orbital ATK for development work on possible RD-180 replacements with a congressionally mandated 2019 deadline for deciding on the replacement.
Details Murky as ARRW Falls Short in Second Test
March 24, 2023
The second all-up flight of the AGM-183A ARRW hypersonic missile apparently fell short of expectations, but the AIr Force isn't saying how, reporting only that the test met "several of the objectives" of the test. Lockheed Martin Missiles and Fire Control recently said he company is "ready to go" to…