The Defense Department last week completed the second of two major technical reviews for the Next Generation Interceptor, wrapping up an assessment of Northrop Grumman's design and select components for a homeland defense guided-missile prototype -- an event that potentially could form the basis of a source selection if funding for the project is curtailed. The Missile Defense Agency completed a preliminary design review of Northrop Grumman’s NGI proposal last week; the company is teamed with Raytheon for the contest...