The Missile Defense Agency has awarded Boeing a potential $5 billion contract to support the Ground-based Midcourse Defense system, allowing the company -- which fended off two competitors -- to maintain a key role in the GMD program which the Pentagon has broken into smaller parts and which Boeing has been prime contractor for more than a decade. On Aug. 30, MDA announced the source selection for the System Integration, Test and Readiness portion of the GMD Futures Acquisition program...