Pentagon scientists on Friday acknowledged they were puzzled by the failed flight test of an experimental hypersonic plane and said they were trying to understand what went wrong.
Space Exploration
Aug 12, 2011
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An unmanned hypersonic glider developed for U.S. defense research into super-fast global strike capability was launched atop a rocket early Thursday but contact was lost after the experimental craft began flying on its own, ...
Space Exploration
Aug 11, 2011
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US military scientists lost contact with a hypersonic glider nine minutes into its inaugural test flight last week, a defense research agency said on Tuesday.
Engineering
Apr 28, 2010
20
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