The Missile Defense Agency is expected soon to announce plans to restructure the Space Based Infrared System Low program and consolidate competitors working on the space-based missile tracking system under TRW's leadership, according to industry and defense officials. A TRW-Raytheon team and Spectrum Astro-Northrop Grumman team have been competing in a risk-reduction phase since last year. MDA's new approach will realign TRW's chief prime contractor competitor, Spectrum Astro, under its purview as subcontractor on the multibillion-dollar effort, according to defense...