The Defense Department is considering a new guided-missile interceptor program to defeat hypersonic boost glide threats as part of a range of potential new-start programs that also include a possible high-powered laser or adapting existing ballistic missile interceptors to deal with the new-class of ultra-fast threats that China and Russia are expected to field in the 2020s. Missile Defense Agency Director Lt. Gen. Sam Greaves today revealed some of the findings of a nearly complete analysis of alternatives for the...