Sweden's submarines are small and quiet, perfect for the Baltic Sea that many NATO allies share with Russia.

The British recently found spy sensors in waters around the U.K., raising fears that underwater conflict with Russia and ...

Its defense minister singled out its submarines to Business Insider ... power around the sea and their ability to close the sea to Russian activities." Sweden's submarines are small, silent ...

The Russian aircraft carrier Admiral Kuznetsov is a perfect icon from the Soviet Union-era, aged, unreliable, and poorly ...

For most of our panellists, the debate was a close-run thing as leaders ducked and weaved under tough questioning.

China’s new Type 09IIIB nuclear-powered attack submarine—known in NATO nomenclature as the Shang-III class—marks a major inflection point in the People’s Liberation Army Navy’s (PLAN) underwater ...

Despite its impressive nature, the Lira-class was in no real way a strategic game-changer for the Soviets in their bid to defeat the West—and its costs were immense.

You wouldn't expect it, but military submarines have sails too, but they're not used for what you might think. Here's the ...