Lawmakers are calling for the Missile Defense Agency to develop a program of record by the end of September 2017 for a capability that can counter non-nuclear weapons that can fly more than five times the speed of sound. The fiscal year 2017 defense authorization conference bill states that the director of the MDA will "serve as the executive agent for the Department of Defense for the development of a capability to counter hypersonic boost-glide vehicle capabilities and conventional prompt...