Yes. Nato is has been testing the Watchment muon detection system that was designed to track nuclear material, specifically looking for nuclear submarines. ht

Yes. Nato is has been testing the Watchment muon detection system that was designed to track nuclear material, specifically looking for nuclear submarines. https://thedebrief.org/darpas-secretive-new-neutrino-detector-program-could-be-a-game-changer-for-global-underwater-military-surveillance/ https://thedebrief.org/darpas-secretive-new-neutrino-detecto...