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 a 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...