The defense industry's leading radar providers have submitted their proposals to the Air Force for the final development and production phases of the Three-Dimensional Expeditionary Long-Range Radar program. This last piece of the Air Force-run competition was open to just three companies: Lockheed Martin, Northrop Grumman and Raytheon. Each was involved in the program's previous phase, known as pre-engineering and manufacturing development or pre-EMD, and Lockheed and Raytheon have been under contract for previous 3DELRR developmental periods as well. Northrop...
