The U.S. Navy today possesses the most technologically advanced submarine force in the world. Its nuclear-powered attack submarines and ballistic missile submarines remain unmatched in speed, ...

In a single snapshot, the USS Boise attack submarine has not been on the sea since 2015. That solitary hull has since been a ...

Hai Kun (SS-711), also known as Narwhal, successfully completed its first submerged sea trials on January 29, 2026.

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 ...

In August 2022, the USS Florida, a nuclear guided-missile submarine, deployed for one of the longest submarine patrols in U.S. Navy history. It returned to its homeport in July 2024, amounting to a ...

The Baltic Sea, a theater that shaped both world wars, is once again rising to global military significance as NATO’s most advanced submarines deploy to its waters for the first time since World War ...

TAIPEI, Jan 30 (Reuters) - Taiwan completed the maiden underwater sea trial for its first domestically developed submarine on ...

After a long patrol, a Vanguard-class submarine returns to HMNB Faslane. These submarines operate quietly for months at a ...

NEWPORT NEWS, Va., Oct. 07, 2025 (GLOBE NEWSWIRE) -- HII (NYSE: HII) announced today that its Newport News Shipbuilding division has successfully completed initial sea trials for Virginia-class attack ...

Taiwan has sought submarines in the West to help protect it from China—but because of economic pressure on those nations from Beijing, it was forced to build its own.

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.

The conflicts in Ukraine and the Middle East present the best opportunity to assess wartime naval operations since the 1982 Falklands War. Nothing is simulated, operations include all of the messiness ...