Historic submarines are surprisingly similar to those deployed by today's Navy and can provide an unprecedented look into modern combat at sea.

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

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

War Secretary Pete Hegseth announced that a U.S. submarine torpedo strike sank an Iranian warship in a first enemy ship ...

Sri Lankan officials confirmed that 83 bodies had been recovered and 32 of the crew were rescued alive ...

As naval warfare reemerges as a key strategy in the US war with Iran, World War II museum ships are finding new relevance.

While it’s been almost a century since the last kill by an American submarine, other navies have done so more recently.

Russia relied on nuclear weapons as a cornerstone of its military power, since the early days of the Soviet Union’s atomic program.

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

Since 1991, Navy subs have launched scores of cruise missiles in combat, but the torpedo attack off Sri Lanka is a return to form after 80 years.

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.

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.