Japan’s Sōryū-class submarines are among the world’s most advanced conventional boats. -The 12-ship class, built from ...

When it comes to naval strength, the US is peerless, and that tradition continues with the first rigorous sea test of this ...

Russia’s submarine fleet remains “arguably second only to the United States,” built on a formidable nuclear deterrent of 15 ...

The US has 71 submarines and it has nuclear powered submarines, 4 guided missile submarines and 14 nuclear ballistic missile submarines.

When some Ohio-class submarines were retrofitted with non-nuclear Tomahawk missiles instead, this one sub was the first to fire them in combat.

After more than 80 years, the name Oklahoma is returning to the U.S. naval fleet. A new state-of-the-art submarine, the USS Oklahoma, is currently under construction and is expected to be christened ...

In recent months, intensifying conflict around the world has called new attention to the possibility of military confrontation between nuclear-armed states. To meet these challenges, the United States ...

A Newsweek map shows where the United States has maintained a presence of nuclear-powered submarines across three island chains in the Pacific through deployments and port calls, as part of Washington ...