Video of a US submarine sinking an Iranian warship looked "remarkably similar" to a 1945 US submarine attack, a World War II ...

The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ice cap for the 100th time since World War II.

Secretary of Defense Pete Hegseth called the sinking of an Iranian warship with a single Mk48 torpedo a "quiet death." ...

The incident in the Indian Ocean off the Sri Lankan coast was the first sinking of an enemy vessel by torpedo since the Second World War, Hegseth said.

The Torsk's sinking of the Japanese vessel marked the last U.S. submarine kill for over eight decades - that is until March 3, 2026.

A U.S. Navy fast attack submarine sank an Iranian warship in the Indian Ocean ...

US troops in the Middle East have used a ground-based ballistic missile system to sink multiple Iranian ships, Gen. Dan Caine said.

The US military has destroyed 17 Iranian ships in its campaign against Iran, which involves tens of thousands of US service members, the commander of US forces in the Middle East said in a video ...

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

Imagine being sealed inside a metal tube beneath the ocean for three months straight, with no possibility of fresh supplies, takeout, or even a quick grocery run. Now imagine having to feed 150 hungry ...

If the US is unable to provide Virginia-class submarines and the UK’s timeline to build the Aukus class falters, Australia could be left with nothing ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.