Northrop Grumman has tested a new GPS/INS navigation system that works in GPS-jammed or -denied airspace. The system will make its way onto the F-22 and the Navy E-2D after testing is complete.
Lockheed Martin’s fourth GPS III satellite is scheduled to head to space on a SpaceX rocket Sept. 29, marking the navigation system’s second launch so far this year. “It'll be awesome to have four GPS III satellites on orbit. It's a good start to the ...