A new report from the Government Accountability Office urges the Defense Department to direct an independent review of the Next-Generation GPS Operational Control System's schedule, noting that the information could offer lawmakers and department leaders key information to mitigate risk of future delays. DOD officials say the program, led by the Air Force and prime contractor Raytheon, is turning a corner toward schedule improvement, after years of delays and overruns. The capability is currently projected to be delivered five years...