Summary and Key Points: Even after the Soviet Union collapsed, U.S. and Russian submarines continued to play cat-and-mouse in ...

Add Yahoo as a preferred source to see more of our stories on Google. A Russian submarine was deployed alongside a spy ship to map critical undersea infrastructure around Britain, it has emerged. An ...

For decades, Russia’s Kilo-class submarines were among the most recognizable diesel-electric attack submarines in ...

(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 ...

The U.K. plans to transform the Royal Navy’s submarine-hunting capabilities with a hybrid naval force meant to counter Russian undersea threats in the North Atlantic. The program, dubbed Atlantic ...

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 ...

This is not the first time the Royal Navy and NATO have had to scramble ships and aircraft to track Russian vessels passing through the English Channel on their way to the Atlantic Ocean. This week, ...