Why can a submarine with no reactor, limited speed, and a modest weapons load still create outsized problems for fleets built ...

616 Tomahawk missiles sit behind one uncomfortable calendar reality: the U.S. Navy’s four Ohio-class guided-missile ...

Submarines have quietly become some of the most powerful weapons in modern naval warfare.

USS Cobia returned from dry dock in Sturgeon Bay last month sporting something new — 245! It’s the first time she’s worn her hull numbers since the last dry docking in 1996. Back then, the project ...

Japan now operates five cutting-edge Taigei-class submarines, in addition to its 12 Soryu-class and 6 Oyashio-class vessels.

The US Navy is widely regarded for its global undersea superiority, a distinction which the service is intensely working to preserve through extensive modernization and submarine production. Today’s ...

SEOUL, South Korea — The arms race between North and South Korea has expanded underwater as the North on Thursday condemned the South’s plan to build a nuclear-powered submarine as a security threat ...

The USS Cobia submarine recently had its hull number, 245, restored for the first time since 1996. Hull numbers were previously removed to reflect the submarine's mid-1945 appearance when numbers were ...