As industry works to develop a stopgap capability to control the initial next-generation GPS satellites while the constellation's new ground segment continues to move through development, the Air Force is conducting a study to ensure a smooth transition from the temporary to the new system. The service expects to launch the first GPS III satellite in March 2018, but the new, Raytheon-built operational control segment, OCX, designed to manage those satellites and provide enhanced performance, will not be ready to...