DARPA’S #Hypersonic Air-breathing Weapon Concept (HAWC) completed an historic free flight test with @usairforce. The @RaytheonTech missile, released from an aircraft, achieved speeds greater than Mach 5 using a @northropgrumman scramjet engine. https://t.co/Yl1QNOHmvD pic.twitter.com/PpFULZDvhl

— DARPA (@DARPA) September 27, 2021