The U.S. military aims to fly a full-scale rocket plane at 20 times the speed of sound by 2016, officials announced last week.
Wednesday, July 11, 2012
Military rocket plane aims for Mach 20 by 2016
Military rocket plane aims for Mach 20 by 2016:
The U.S. military aims to fly a full-scale rocket plane at 20 times the speed of sound by 2016, officials announced last week.
The U.S. military aims to fly a full-scale rocket plane at 20 times the speed of sound by 2016, officials announced last week.
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