The Defense Department is warning Congress that the Senate's proposed $50 million cut to a missile defense program aimed at defeating countermeasure technologies could jeopardize a plan to field the system by the middle of the next decade. The funding cut would directly affect Raytheon, one of the two contractors lined up to work on the Multiple Kill Vehicle program, DOD told Congress last week. The Missile Defense Agency considers the MKV effort to be its only program "designed to...