The U.S. Air Force began deploying the Global Positioning System — more commonly known as GPS — nearly 50 years ago, satellites which have become critical infrastructure for both the military and the ...

An outage or loss of GPS satellites is estimated to cost the U.S. military and economy upward of $1 billion a day. Pentagon leaders believe that estimate is conservative, leading the U.S. Space Force ...

Many Americans say they couldn't survive without GPS - turns out our economy wouldn't do well either. But if it's so important, why don't we have a backup? Russia and China do. Navigating this ...