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Pentagon confirms X-51A test flight was a failure
Graphic shows the X-51A Waverider as it is set to demonstrate hypersonic flight.
The US Air Force confirmed on Wednesday that the test mission one day earlier of an unmanned hypersonic plane hoped to travel at six times the speed of sound was a failure.
The Pentagon revealed on Wednesday that Tuesday’s test run of the X-51A WaveRider aircraft was unsuccessful.
“It is unfortunate that a problem...
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