US Successfully Tests Air-breathing Hypersonic Weapon
On September 27, the U.S. Defense Department announced the successful flight test of its Hypersonic Air-breathing Weapon Concept (HAWC), a scramjet-propelled hypersonic missile. In the test, conducted the week of September 19, the hydrocarbon-fueled missile successfully released from an aircraft before cruising to speeds over Mach 5. HAWC is a DARPA-U.S. Air Force technology demonstration...