The Air Force last week awarded Raytheon a $52 million contract to build the Three-Dimensional Expeditionary Long-Range Radar after a 2014 protest led to a recompete -- and Northrop Grumman, one of the companies that initiated the protest, opted not to bid the second time around. Northrop bid in the initial competition, along with Raytheon and Lockheed Martin. After Raytheon received a contract, Northrop and Lockheed protested, alleging Raytheon received information about the use of internal research and development funds...