The Last Time A U.S. Navy Submarine Sunk An Enemy Ship In Combat

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

A US Navy submarine sank an enemy warship with a torpedo for the first time since World War II. Here's the video.

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

Torpedoes Have Sunk Only A Handful Of Warships Since World War II

There are only two confirmed and one alleged incidents of warships being targeted and sunk by submarine-fired torpedoes and those have been controversial

A US submarine sunk an enemy ship with a torpedo for the first time since WWII

Rim of the Pacific (RIMPAC) 2022 military forces from Australia, Canada, Malaysia and the U.S. fired upon and sunk the decommissioned ex-USS Rodney M. Davis (FFG 60), July 12, during a sinking exercise (SINKEX) to gain proficiency in tactics,
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Iranian Frigate Sunk by U.S. Submarine Off Coast of Sri Lanka

IRIS Dena was one of Iran’s newest combat ships, and had 180 personnel on board when the submarine attacked. Reports of the Dena being in distress first emerged overnight between Mar. 3 and Mar. 4, 2026,

Video shows US submarine torpedo Iran's IRIS Dena ship

Defense Secretary Pete Hegseth confirmed the torpedo attack, the first against an enemy vessel since World War II.