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 ...

Ukraine said it carried out an underwater drone attack on a Russian submarine.Security Service of Ukraine/Screengrab via Telegram Ukraine carried out a first-of-its-kind attack on a Russian submarine ...

The Russian submarine shadowed by the Swedish Gripens was transiting the Kattegat, a strategic waterway linking the Baltic approaches with the North Sea system. Although the spotlight is currently on ...

Dec. 15 (UPI) --Ukraine's Security Service said it has struck and disabled a Russian submarine using an underwater drone at the Black Sea port Novorossiysk, Russia. The service said it completed a ...

(CNN) — Ukraine’s domestic security service, the SBU, said Monday that it had carried out an attack on a Russian submarine in the Black Sea port of Novorossiysk, causing critical damage to the vessel ...