SMRTR Science & EngineeringOct 29, 2025Interesting Engineering

World-first deployment of quantum optical atomic clock on unmanned submarine completed

SMRTR summary

The Royal Navy successfully tested Infleqtion's Tiqker quantum optical atomic clock on their autonomous submarine Excalibur, marking the first underwater deployment of such technology. This breakthrough enables submarines to navigate precisely without GPS signals by providing stable timing that prevents navigation drift during extended submerged operations.

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