The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ...

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

Deep beneath the icy Arctic waters, a dangerous game of cat and mouse unfolded that would send shockwaves through NATO naval ...

The Torsk's sinking of the Japanese vessel marked the last U.S. submarine kill for over eight decades - that is until March 3 ...

The Pentagon has not said which American submarine fired the torpedo, except to say it was a fast-attack submarine.

Cmdr. Robert Moreno has been fired as the commanding officer of the Ohio-class ballistic missile submarine USS Wyoming’s Blue Crew, according to Navy officials, who did not provide a specific reason ...

A single Mk-48 torpedo achieved "immediate effect" on an Iranian frigate, which was operating in the Indian Ocean, the ...

A group of NATO navies are conducting “Operation Ice Camp Boarfish” in the Arctic Ocean—even as a war rages thousands of ...

GYEONGJU, South Korea (AP) — The United States will share closely held technology to allow South Korea to build a nuclear-powered submarine, President Donald Trump said on social media Thursday after ...

China now operates 59 submarines, compared to the US Navy’s 71—but it has expressed the clear intention to catch up.

Imagine being sealed inside a metal tube beneath the ocean for three months straight, with no possibility of fresh supplies, ...