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, ...

Lockheed Martin-designed craft will demonstrate technology for reusable, unmanned hypersonic cruise vehicle Lockheed Martin is proceeding with design of a hypersonic test vehicle (HTV) after the US ...

(Yes, it's on foxnews site but that's the link a friend gave me) Unmanned craft, launches on a rocket and then separates and flies at hypersonic speeds (mach 20 or 13,000mph). For a comparison of what ...