The Missile Defense Agency is looking into the early 2020s and thinking about how best to structure future contracts to manage the Ground-based Midcourse Defense system, contemplating whether to bundle end-to-end development and sustainment of the interceptor fleet into a single deal or break it up into a package of smaller competitive contracts. Last month, MDA published a solicitation that aims to shape a follow-on contract -- or contracts -- to the current GMD development sustainment contract that Boeing has...