COLORADO SPRINGS, CO -- Incumbent Lockheed Martin is the only company to confirm its bid to develop the next generation of GPS III satellites, potentially forcing the Air Force to launch a sole-source acquisition for what was supposed to be a rigorous competition between at least three providers. Lockheed, Boeing and Northrop Grumman each received a contract in 2016 for the first phase of the GPS III follow-on development effort. Lockheed, which builds the current GPS III satellites, confirmed its...