The attack with Ukrainian-made "Sub Sea Baby" drones hit the submarine in the port of Novorossiysk where Russia has rebased ...
Ukraine's internal security agency said the attack damaged and disabled a Russian Kilo-class submarine in the port city of ...
China is allegedly testing giant uncrewed submarines whose range could let them operate near the US West Coast.
A huge submarine has been handed to the Royal Navy and becomes its largest autonomous submersible.
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