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massive solar storm. This has focused military minds on alternatives.
A soldier checks a map during NATO’s Trident Juncture exercise in October 2018. Participants accused the Russian government of GPS jamming during the exercise.
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The Navy’s Automated Celestial Navigation System would replace manual shipboard measurements with something more accurate, while Special Operations Command experts are developing a handheld device for commandos. Both pieces of tech are aiming for GPS-level precision.
“The best accuracy for celestial navigation with certainty is within a couple of meters,” says Benjamin Lane of the Advanced Position, Navigation & Timing Instrumentation unit at Draper Laboratory in Cambridge, Massachusetts. “In practice, we are within a factor of a few of that.” ....

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