(Editors note: This story has been updated to include a statement from GPS III prime contractor Lockheed Martin.) The launch of the Air Force's first next-generation Global Positioning System satellite won't occur until 2016 due to a delay in the delivery of space vehicle's the navigation payload. The first GPS III satellite was slated for launch in 2015, but Col. William Cooley, director of the service's GPS directorate, said today that the satellite will not be delivered until late...