Military Times | March 4, 2026

A United States Navy submarine sank an Iranian ship with a single torpedo as the frigate was transiting the Indian Ocean, marking the first such kill by a U.S. submarine since World War II.

Secretary of War Pete Hegseth confirmed the strike during a Pentagon press briefing on Operation Epic Fury alongside Chairman of the Joint Chiefs of Staff Gen. Dan Caine.

“Yesterday, in the Indian Ocean… an American submarine sunk an Iranian warship that thought it was safe in international waters. Instead, it was sunk by a torpedo. Quiet death. The first sinking of an enemy ship by a torpedo since World War II.” – SECWAR Hegseth

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