New HAWC Hypersonic Missile Sets Record for Endurance April 6, 2022 | By John A. Tirpak A recent test flight of the Lockheed Martin HAWC air-breathing hypersonic missile set a record for scramjet propulsion at hypersonic speeds, achieving about 327 seconds of combustion, versus 200 seconds in a 2010 test of the Boeing X-51 Waverider.