LEIF LARSON: Satellite-Based GPS Becoming National Security Problem

The United States needs a resilient, terrestrial complement and backup to GPS, with Positioning, Navigation and Timing (PNT) systems, to keep pace with other developed nations that already have these technologies in place, including China and Russia. Our satellite-based GPS systems are increasingly susceptible to jamming and spoofing, a vulnerability that has drawn heightened attention amid recent geopolitical conflicts and the rise of electronic warfare.