For decades, Russia’s Kilo-class submarines were among the most recognizable diesel-electric attack submarines in the world. Known for their quiet operation and relatively low cost, the boats became ...

Add Yahoo as a preferred source to see more of our stories on Google. The Security Service of Ukraine (SSU) has reported that it has, for the first time in history, blown up a Russian submarine using ...

Add Yahoo as a preferred source to see more of our stories on Google. Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack ...

A Russian submarine was deployed alongside a spy ship to map critical undersea infrastructure around Britain, it has emerged. An anti-submarine Merlin Mk2 helicopter could be seen from the photo ...

Nato chief Mark Rutte has mocked one of Russia’s submarines for “limping home from patrol”, claiming the vessel had been forced to surface because of technical problems. Russia’s Black Sea Fleet ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

Ukraine said its naval drones damaged a Russian submarine in the Black Sea port of Novorossiysk, in a special operation it claimed was the first such attack. Underwater drones known as “sub sea baby” ...

The British navy said Thursday it tracked a Russian submarine navigating through the English Channel for three days, as it steps up efforts to police its seas against such threats. A British naval ...

Ukraine said Monday it carried out an underwater drone strike that critically damaged a Russian Kilo-class submarine docked in the port of Novorossiysk, marking the first known attack of its kind. The ...