U.S. launches X-51 Waverider aircraft

27th May 2010, Comments 0 comments

The United States has successfully launched the X-51 hypersonic cruise missile, which has reached the velocity of about 6,000 km per hour, five times the speed of sound. It was released from a B-52 jet-powered strategic bomber off California’s Pacific coast at an altitude of about 21 kilometers.

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