The Missile Defense Agency's reliance on undefinitized contracts -- which the military uses to authorize companies to begin work on weapons projects before agreeing to final terms -- has increased dramatically over the last five years, according to a congressional audit. The Government Accountability Office, in its annual audit of the Ballistic Missile Defense System, honed in on MDA's use of undefinitized contracts, which it says potentially expose the Defense Department to unnecessary costs. MDA has seen its budget soar...