War Secretary Pete Hegseth said the Iranian warship was struck in the Indian Ocean during Operation Epic Fury as Sri Lanka reported a sunk frigate.
Navy vessels take part in a joint Iranian-Russian-Chinese military drill in the Gulf of Oman on March 12, 2025. Iranian Army Office/AFP via Getty Images
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The Pentagon said a U.S. Navy submarine struck and sank an Iranian warship off the coast of Sri Lanka, marking what officials described as the first time an American submarine has sunk an enemy vessel with a torpedo since World War II.
Secretary of War Pete Hegseth told a March 4 press briefing that the ship was destroyed in the Indian Ocean during the ongoing U.S.–Israel campaign against Iran.
