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Wednesday, 13 September 2017

Aurora does not exist ?



Meet the SR-72
Envisioned as an unmanned aircraft, the SR-72 would fly at speeds up to Mach 6, or six times the speed of sound. At this speed, the aircraft would be so fast, an adversary would have no time to react or hide.
Clip Betterhttp://www.lockheedmartin.com/us/news/features/2015…
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