Air Force's Hypersonic ARRW Missile Fails First Flight Test Airmen secure the AGM-183A Air-launched Rapid Response Weapon Instrumented Measurement Vehicle 2 as it is loaded under the wing of a B-52H Stratofortress at Edwards Air Force Base, California, Aug. 6, 2020. (Air Force/Giancarlo Casem) 6 Apr 2021 The U.S. Air Force announced Tuesday that the highly anticipated test flight of its new hypersonic weapon failed, with the prototype missile unable to fire from a bomber aircraft. Calling the incident a "setback in demonstrating its progress in hypersonic weapons" development, the service said in a release that the AGM-183A Air-launched Rapid Response Weapon, known as ARRW (pronounced "Arrow"), booster vehicle failed to launch from a B-52 Stratofortress during an April 5 test over the Point Mugu Sea Range off the coast of California.