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

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.

US Secretary of Defense Pete Hegseth said Wednesday that a US submarine sank an Iranian warship in international waters after Sri Lanka’s Navy said it rescued more than two dozen people from an Iranian vessel that was sunk off its shoreline.

A U.S. submarine sunk an Iranian warship off Sri Lanka’s coast in the Indian Ocean, War Secretary Pete Hegseth confirmed during a Wednesday morning press conference. Hegseth said the enemy ship “thought it was safe in international waters,

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.

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

The men are accused in the sinking of the ARA San Juan, in which 44 crew members died. Victims' families say justice remains incomplete as no high-level political figures have been prosecuted.

TKMS and CAE signed a Teaming Agreement aimed at strengthening cooperation in support of Canada's future submarine capabilities. Under the Teaming Agreement, the parties will jointly explore, develop,