NextNav: This Next-Gen GPS Company Has A Huge TAM (NASDAQ:NN) | Seeking Alpha
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
Long-overdue GPS ground stations delayed by pandemic, Chinese hardware - Defense One
Launch of experimental military navigation satellite pushed back to 2023
What the Next-Gen GPS Satellite Upgrade Means for You | PCWorld
Next-Gen GPS Satellites Get Ground-Control Modernization - Breaking Defense