Russian GUGI trains deep-sea submersibles for covert subsea cable sabotage

Western officials say Russia’s GUGI used deep-sea submersibles near Svalbard to simulate deploying a new, fingerprint-free capability intended to disable undersea fiber-optic cables. While technical details are withheld, the reported focus on covert, deniable cable-disruption at extreme depths represents a notable evolution in subsea sabotage methods with major strategic impact on communications and infrastructure.