10 U.S.C. § 5532 — Hypersonic defense capability development

(a) Executive agent. The Missile Defense Agency^* Director is the Defense Department’s executive agent for developing a United States capability to counter hypersonic boost-glide vehicles and conventional prompt-strike capabilities that could be used against the United States, its allies, or its deployed forces. (b) Duties. (1) The Director must develop architectures for hypersonic defense, from detecting threats through intercepting them. The architectures must: (A) involve military-department and Defense-Agency systems; and (B) include kinetic and nonkinetic interception options. (2) By September 30, 2017, the Director must establish a program of record to develop hypersonic defense capability.