GPS to Atomic Clock:

US Defence Advanced Research Projects Agency (DARPA) plans to replace the Global Positioning System (GPS) with Atomic Clocks with Enhanced Stability (ACES) for military applications.

“All of our modern communications, navigation and electronic warfare systems, as well as our intelligence, surveillance and reconnaissance systems, depend on accurate time-keeping,” said DARPA project manager Robert Lutwak, who will oversee the new program. “If ACES is successful, virtually every Defense Department system will benefit.”

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