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, ...
It took six months, but the Defense Advanced Research Projects Agency finally has a handle on what caused its hypersonic weapon prototype to "terminate" itself over the Pacific Ocean back in April.
An ultra-fast U.S. military drone that streaked across the sky at 13,000 mph and met its demise in the Pacific was doomed by the excessive heat of hypersonic travel, which literally peeled away the ...
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