The Missile Defense Agency is eyeing a $12 billion makeover of the Ground-based Midcourse Defense system, launching a competition for a new guided missile interceptor as part of a proposed 10-year realignment of funds to improve defenses against North Korean long-range rockets. The decade-long project, confirmed by a Defense Department official, is an attempt to reboot the GMD program which has an inconsistent flight test record -- including three high-profile flight test failures due to faulty warheads -- and has...
