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" ...

Six months after its maiden flight ended in the aircraft self-destructing, the US Defense Advanced Research Projects Agency (DARPA) says it knows what went wrong with the Falcon Hypersonic Test ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Update: DARPA has gone silent regarding HTV-2, but its safe to ...

The first video of the $300million Falcon HTV-2 hypersonic spacecraft has been released following its ill-fated second test flight. The 13,000mph unmanned aircraft of the future took off for a crucial ...

Aerodynamic design validated and new understanding of thermal material properties gained Following an extensive seven-month analysis of data collected from the Aug. 11, 2011, second flight of DARPA’s ...