COLORADO SPRINGS, CO -- Raytheon's program manager for the Air Force's next-generation Global Positioning System ground segment -- which has been called the Defense Department's most troubled program -- said this week the challenges the company faced developing an unprecedented cybersecurity infrastructure are largely a thing of the past. "In my opinion, cyber's behind us," Bill Sullivan told a small group of reporters here at the National Space Symposium. "It's a long road being the first major program to do...