DARPA will launch the second flight test of an unmanned hypersonic glider Thursday (Aug. 11) to test technologies needed for a new global strike bomber concept designed to fly 20 times the speed of ...

Defense department tests drone to fly at 13,000 mph. Aug. 11, 2011— -- The U.S. military said it launched a hypersonic test aircraft called the Falcon HTV-2, which reached speeds of 13,000 mph, ...

If all goes well, the Pentagon this week will test an unmanned aircraft that, in theory, can travel at speeds upwards of 13,000 miles per hour and send a missile to strike an identified target within ...

Key Points and Summary - The SR-72 “Darkstar” is envisioned as a Mach-6, air-breathing ISR platform—but could it strike? -Hypersonic speed complicates weapons separation, fratricide risk, bay-door ...