Sri Lankan sources say, after downing of ship armed with missiles, torpedoes; US military has said it aims to sink Iran's 'entire navy'

Video of a US submarine sinking an Iranian warship looked "remarkably similar" to a 1945 US submarine attack, a World War II expert said.

The US Department of War on Wednesday released video footage showing an American submarine torpedoing the Iranian warship IRIS Dena in the Indian Ocean off the coast of Sri Lanka. According to reports, around 150 Iranian sailors are feared dead in what is being described as the deadliest attack on a warship by a US submarine since World War II.

According to Hegseth, one of the most significant milestones of the campaign was the complete destruction of an Iranian warship, which was taken out by an underwater torpedo.

A torpedo fired by a U.S. submarine sank an Iranian warship off the coast of Sri Lanka. 87 bodies were recovered and 32 people were rescued.

The Department of Defense has revealed a stunning video of the moment an Iranian warship was struck by an American torpedo in the Indian Ocean this week, an offensive Defense Secretary Pete Hegseth called a "quiet death.