(Editors note: This story has been updated to include comments from Lockheed Martin.) The Air Force has awarded a much-anticipated development contract for Space Fence, choosing Lockheed Martin over Raytheon to build the next-generation space situational awareness system. The $914 million contract will fund development of the system, and Lockheed will perform the work at its facility in Moorestown, NJ. "The contractor will have 52 months after contract award to reach initial operational capability," according to a Defense Department...