The Missile Defense Agency is getting ready to transition the Terminal High Altitude Area Defense program to the Army, a move that would require the service to make room in its budget annually for procurement of the guided-missile interceptors while leaving MDA in charge of continuing research and development for the weapon. MDA's FY-18 budget anticipates a five-year plan to buy 145 THAAD interceptors for $2.1 billion. MDA and the Army are drafting a memorandum of agreement that would transfer...