The Air Force is facing space-related program delays that could push the entire Defense Department effort to modernize the Global Positioning System into the 2030s, according to a new Government Accountability Office report . The GPS modernization initiative centers on a more secure, jam-resistant military signal known as M-code, which relies on the cooperation of three segments -- space, ground control and user equipment. The Space Force, operating under the Department of the Air Force, heads daily responsibility for modernizing...
