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, ...

DARPA has confirmed the splash down of its unmanned Falcon Hypersonic Technology Vehicle (HTV-2) following the hypersonic vehicle's second test flight on August 11. While a "controlled descent" ...

For the second time in a row, the Falcon HTV-2, the unmanned hypersonic glider developed by the Defense Advanced Research Projects Agency (DARPA) for the U.S. defense failed its test flight and got ...

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Speedier perhaps than even Superman, the fastest plane ever built, the Falcon HTV-2, can get from London to Sydney in less than an hour, all the while withstanding temperatures of almost 2,000 degrees ...

The Falcon hypersonic HTV-2 aircraft emerges from its payload fairing before gliding back to Earth. The Falcon hypersonic HTV-2 is an unmanned, rocket-launched, maneuverable aircraft that glides ...

The first - and perhaps only - video footage of the ill-fated second test-flight of DARPA's Falcon Hypersonic Technology Vehicle 2 (HTV-2) has been released. Shot with a handheld camera by a ...

The last of Japan's first-generation space cargo ships has gone out in a blaze of glory. The ninth and last-ever H-II Transfer Vehicle (HTV), a robotic International Space Station resupply ship also ...