The machines could be strapped to aircraft and even satellites.
In military operations, nanosecond-level accuracy is required for military craft to fire weapons at high speed and at extreme ranges. Even an error of a billionth of a second could cause a missile to miss its target. To this end, the modern military is heavily reliant on GPS, but the technology isn't always available and it can even be jammed by adversaries.
"The goal is to transition optical atomic clocks from elaborate laboratory configurations to small and robust versions that can operate outside the lab," Tatjana Curcic, program manager in DARPA's Defense Sciences Office, said."If we're successful, these optical clocks would provide a 100x increase in precision, or decrease in timing error, over existing microwave atomic clocks, and demonstrate improved holdover of nanosecond timing precision from a few hours to a month.
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