The Missile Defense Agency has debriefed Boeing on its loss in the Next Generation Interceptor, giving the incumbent in the Ground-based Midcourse Defense program through next week to consider whether to protest awards to Lockheed Martin -- which ranked first in the three-way contest -- and a Northrop Grumman/Raytheon team, according to a source familiar with recent developments. The NGI loss comes as Boeing braces for another major missile defense setback, the loss of a roughly $1 billion annual project...