The Pentagon needs to invest hundreds of millions of dollars in facilities needed to test and evaluate faster-than-the-speed-of-sound weapons, or the United States could risk an adversary developing operational hypersonic munitions first, according to the latest report from the Defense Department's top weapons tester. In his annual T&E report obtained Jan. 16 by InsideDefense.com , J. Michael Gilmore, the director of operational test and evaluation, noted that the nation's current hypersonic test and evaluation infrastructure "is not adequate to accomplish...