The Pentagon has not said which American submarine fired the torpedo, except to say it was a fast-attack submarine.

The submarine, which is currently docked at Pearl Harbor, is the fourth U.S. military vessel to be named after the Queen City.

A submarine attack on an Iranian destroyer proximate to Sri Lanka represents more than a discrete naval engagement; it signals a potential horizontal escalation of conflict into the wider Indian Ocean ...

A U.S. Navy submarine has sunk an Iranian warship, the Dena, operating in the Indian Ocean near Sri Lanka. The ship had a ...

Sri Lanka sent jets to rescue crew of Iranian ship 'Iris Dena' after it sounded a distress call. Sri Lanka denied that the ...

A retired U.S. Navy nuclear submarine commander is offering his perspective on Tuesday's torpedo attack that sank an Iranian warship in the Indian Ocean.

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 ...

President Anura Kumara Dissanayake says Colombo preparing to safely evacuate 208 personnel stranded on Iranian ship IRIS Bushehr - Anadolu Ajansı ...

Legal experts say a U.S. submarine’s deadly attack on an Iranian warship does not appear to have violated international or American military law.

Tensions in the Persian Gulf have risen sharply. Iranian forces have blocked 38 Indian commercial vessels from continuing ...