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

In an age of drones, the traditional Mark 48 torpedo creates a pressure bubble to snap ships in half after being fired by U.S ...

Defense officials in Berlin are worried about coming up empty-handed when NATO submarine-hunting capability commitments come ...

During World War I, one submarine stood out above all others in its effectiveness. SM U-35 operated with deadly precision, ...

(CNN) — 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 ...

In Defense Secretary Pete Hegseth's second news briefing since the start of the Iran war, Hegseth said the U.S. had sunk an ...

Chinese vessels are mapping the sea floor at strategically vital regions of the world's oceans, building detailed knowledge ...

The United States and Iran have offered sharply different accounts of the sinking of an Iranian warship in the Indian Ocean ...

An Iranian warship was struck by a US submarine torpedo, Secretary of Defense Pete Hegseth told reporters on Wednesday.US Department of Defense A US Navy fast attack submarine sank an Iranian warship ...

(CNN) — US Secretary of Defense Pete Hegseth said Wednesday that a US submarine sank an Iranian warship, in international waters – killing more than 80 crew according to authorities in Sri Lanka who ...

(CNN) — 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 ...