Raytheon, USAF ready next-gen GPS satellite ground control - UPI.com
S. Korea developed next-gen GPS satellites, boosting its growing aerospace ambitions
Long-overdue GPS ground stations delayed by pandemic, Chinese hardware - Defense One
Northrop Grumman to develop next-gen GPS
2nd Lockheed Martin-Built Next Gen GPS III Satellite Responding to Commands, Under Self-Propulsion - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design