“For the first time in history, ‘Sub Sea Baby’ underwater drones blew up a Russian submarine of the class 636.3 Varshavyanka ...

Ukraine’s domestic security service, the SBU, said Monday that it struck a Russian submarine in the Black Sea port of Novorossiysk, causing critical damage to the vessel and effectively disabling it.

In the 1970s, the Soviet Union built the K-278, an advanced nuclear-powered submarine designed to push the limits of technology. But during a patrol in 1989, disaster struck when a turbine failure led ...

NATO chief Mark Rutte mocked Russia on Monday over the "limping" condition of one of its submarines as Russian authorities denied it had been forced to surface because of technical problems. Russia's ...

During the height of the Cold War, the rivalry between the United States and the Soviet Union spurred several technology-oriented races where both countries were trying to outdo the competition. The ...

A Russian submarine traveling home from the Mediterranean has spent much of its journey surfaced. A NATO official said the activity is unusual. It's not ideal for a submarine to travel this way. The ...

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