The USS Essex exercise demonstrated the necessity of fallback systems and skilled navigation in the absence of GPS. While GPS ...
Ariane Flight VA233 carrying four European Galileo navigation satellites launches in November 2016 in Kourou, French Guiana. (Stephane Corvaja/ESA via Getty Images) THE HAGUE, Netherlands — The ...
Around 12,500 miles above our heads, the satellites that make up the Global Positioning System (GPS) quietly keep the world running. A blackout would result in almost instantaneous chaos. “You would ...
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