Experimental military aircraft crashes

The second test of an Air Force experimental aircraft developed by Boeing ended prematurely this week just seconds after launching. A video released Thursday showed a B-52 bomber launch the experimental X-51 WaveRider shortly before it crashed into the Pacific Ocean. The 14-foot aircraft — which is designed to hit 4,000 mph — is being developed to give the Pentagon a new way to deliver a military strike anywhere around the globe within minutes.

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