#GPS

The US GPS ground control system OCX cost $8 billion—more than double its original budget—and arrived a decade late. What does that tell us about how defense software gets built?

Chinese researchers have built an 11-satellite optical navigation network immune to GPS jamming. Here's what it means for autonomous vehicles, drones, and the growing rivalry over who controls positioning infrastructure.

The US Space Force has transferred yet another GPS satellite launch from ULA to SpaceX — the fourth such move in just over a year. What this pattern reveals about the future of military space launches.

A massive satellite navigation jamming incident in China paralyzed a city of 10 million, revealing the extreme vulnerability of modern economies to electronic warfare.