A nuclear attack submarine may be the most formidable predator ever built. In 2009, I spent a week submerged aboard the USS ...

The Sierra I submarine was one of the most advanced Soviet attack submarines of the Cold War. Built with a titanium hull, it could dive deeper than most submarines while remaining relatively quiet ...

The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the ...

As naval warfare reemerges as a key strategy in the US war with Iran, World War II museum ships are finding new relevance.

The Iranian warship that was sunk in the Indian Ocean likely didn’t have the technology needed to defend itself against submarines.

Video of a US submarine sinking an Iranian warship looked "remarkably similar" to a 1945 US submarine attack, a World War II ...

Add Yahoo as a preferred source to see more of our stories on Google. China's submarine fleet is improving, making advancements in stealth. In a war, China's subs could put up a tough fight in the ...

HMS Alliance is a Royal Navy A-class, Amphion-class or Acheron-class submarine, laid down towards the end of the Second World ...

AI-piloted helicopter built to hunt submarines takes first flight The Royal Navy highlighted its Hybrid Air Wing and Atlantic Bastion strategy as Leonardo’s full-scale Proteus autonomous helicopter ...

Chinese state media on Wednesday revealed how one of the country's premier 10,000-ton-class large destroyers has enhanced its capabilities in hunting enemy submarines. CNS Zunyi, a Type 055 destroyer, ...