NATIONAL HARBOR, MD -- The navigation payload for the Air Force's next-generation Global Positioning System satellite is facing delays that could impact the program's delivery schedule, Air Force Space Command chief Gen. William Shelton said today. ITT Exelis, which is developing the navigation payload, expected it would be ready for delivery in August, but Shelton said the payload has faced both manufacturing and procedural issues that have delayed delivery. The navigation payload, responsible for providing accurate timing and location data...
