There is a great deal of talk about hypersonic weapons and their possible impact on the battlefield. Some consider them the ultimate weapon of war, others feel they are merely an evolutionary development along a predictable track.
So just how dangerous could these weapons become in the future? Who is developing them? Would America be able to defend against them? To get some answers, I put these questions to Center for Strategic and Budgetary Assessments senior fellows Bryan Clark and Mark Gunzinger.
READ: The National Interest