Russia has maintained—and increased—its submarine operations across the world’s oceans, including the northern Atlantic and the Arctic, which have raised concerns for the U.S. and its NATO allies, as well as in the Pacific, where it recently disclosed missions conducted by nuclear-powered submarines to signal its military capabilities.

The Ohio-class submarine USS Florida, a converted guided-missile submarine (SSGN) capable of carrying 154 Tomahawk missiles, has a remarkable service history, including being the first of its class to fire Tomahawks in combat.

Inside the effort to deliver a ‘transformational improvement’ in how the US builds submarines, vital to preserving its undersea advantage.

The deployment, part of a broader counter-narcotics operation authorized by President Donald Trump, includes approximately 10% of U.S. naval assets—encompassing eight surface warships, a nuclear-powered submarine,

In 2015, a small French submarine called the Saphir snuck past the defenses of the USS Theodore Roosevelt aircraft carrier and "sunk" it in training.

Defense Secretary Pete Hegseth announced Sunday that the US conducted a strike Friday on a ship that American intelligence officials believed was involved in illegal drug trafficking in the Caribbean.