The Air Force's armament directorate is planning more tests of its boost-glide hypersonic Air-launched Rapid Response Weapon while also looking to establish new industry partnerships to support development of scramjet-powered munitions like the Hypersonic Attack Cruise Missile. ARRW, built by Lockheed Martin, flew on a B-52 for its final captive-carry evaluation in August, and now the Air Force is gearing up for the first experimental booster flight in the coming months. The service is also preparing its hypersonic sled testing...