Summary and Key Points: Morocco is reportedly evaluating Russia’s Amur-1650 diesel-electric submarine as a cost-effective ...

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

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 ...

At its current production rates, China is likely to have a far more menacing submarine force than Russia in short order—though its quality is still uncertain.

Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack as a first, potentially signaling a new chapter in drone warfare.

More uncertainty can push Russia to a higher alert, deploying more tactical and strategic nuclear warheads on board ...

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 ...