Pentagon Bars Troops from Using GPS-Tracking Devices While Deployed | Military.com
Lockheed completes propulsion core development for first GPS III satellite - Airforce Technology
GPS III set to launch December 18: U.S. Air Force to launch via Space X Falcon 9 paylod; will be harder to jam, more secure and accurate – EDI Weekly: Engineered Design Insider
Evolution of GPS: From Desert Storm to today's users > Schriever Space Force Base (Archived) > Article Display