An unmanned DARPA hypersonic glider — a prototype for a global strike weapons program — launched on its second test flight Thursday (Aug. 12) in a bid to fly at the mind-blowing speed of Mach 20.
The DARPA glider, called the Falcon Hypersonic Test Vehicle 2 (HTV-2), blasted off from Vandenberg Air Force Base in California atop a Minotaur 4 rocket at 7:45 a.m. PDT.
According to DARPA updates, the test flight appeared to go well until the glide phase, when monitoring stations lost contact with the HTV-2 vehicle. [Photos: DARPA Hypersonic Glider's Mach 20 Test]
DARPA Launches Hypersonic Glider on Mach 20 Test Flight - Yahoo! News
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