Air Force Gen. Paul Selva, vice chairman of Joint Chiefs of Staff: 'We have lost our technical advantage in hypersonics.' Via @wesleysmorgan: http://politico.pro/2FtIz3Z
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Air Force Gen. Paul Selva, vice chairman of Joint Chiefs of Staff: 'We have lost our technical advantage in hypersonics.' Via @wesleysmorgan: http://politico.pro/2FtIz3Z