The US government can apparently turn off their GPS signals over certain parts of the world: https://idstch.com/geopolitics/denial-gps-services-kargil-war-driv

The US government can apparently turn off their GPS signals over certain parts of the world: https://idstch.com/geopolitics/denial-gps-services-kargil-war-driven-isro-develop-indian-regional-navigation-satellite-system-irnss-superior-gps/ https://idstch.com/geopolitics/denial-gps-services-kargil-wa...