The Missile Defense Agency has completed a proposal for a new multibillion-dollar project to develop and field a defense against hypersonic weapons, that -- if included in the Defense Department's fiscal year 2021 budget request -- would expand the agency's focus to a new class of maneuvering, ultra-fast threats. MDA has submitted its analysis of alternatives for a Hypersonic Defense program of record to the cost assessment and program evaluation office. The proposal would effectively develop a new end-to-end defensive...