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Unmanned U.S. Military Hypersonic Craft Failed - US News and World Report
usnews.com — “LOS ANGELES (AP) — An unmanned experimental aircraft failed during an attempt to fly at six times the speed of sound in the latest setback for hypersonic flight.” View full resource at usnews.com
Most Recently Shared on August 15, 2012 at 11:05 pm By:
Unmanned U.S. Military Hypersonic Craft Failed - LOS ANGELES (AP) — An unmanned experimental aircraft failed during ... http://t.co/VSbMEyVv
