The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the ...

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

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

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

Patrick Zilliacus, a WWII torpedoman on the USS Spot, shares how submarine combat worked in the Pacific. Hear firsthand stories from life aboard a hunter-killer group.

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 ...

The downing of the Iranian frigate IRIS Dena marks the first time an American submarine has destroyed an enemy warship in decades.

The sinking of an Iranian warship by a US Navy submarine off the coast of Sri Lanka this week is something a US sub hasn’t done in more than 80 years and is another indication that Washington’s war ...

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.

Frigate IRIS Dena, which had recently taken part in India’s MILAN naval exercise, torpedoed amid escalating US-Iran conflict ...

From the 1890s through the World War II, battleships ruled the waves. These steel leviathans projected naval power across all the world's seas, clashing with other ships or bombarding enemy forces ...