Secretary of Defense Pete Hegseth called the sinking of an Iranian warship with a single Mk48 torpedo a "quiet death." ...

I just could not be prouder of our men and women in uniform leveraging innovation to create dilemmas for the enemy.”… pic.twitter.com/bydvIv5Tn5 “They used Army ATACMS to sink multiple ships, ...

More than 140 crew members are missing after an Iranian warship was sunk by a US submarine off the coast of Sri Lanka.

There are only two confirmed and one alleged incidents of warships being targeted and sunk by submarine-fired torpedoes and those have been controversial ...

As naval warfare reemerges as a key strategy in the US war with Iran, World War II museum ships are finding new relevance.

IRIS Dena was one of Iran’s newest combat ships, and had 180 personnel on board when the submarine attacked. Reports of the Dena being in distress first emerged overnight between Mar. 3 and Mar. 4, ...

The U.S. and Iran are offering sharply conflicting accounts of the March 4 sinking of the Iranian warship IRIS Dena in the ...

In Defense Secretary Pete Hegseth's second news briefing since the start of the Iran war, Hegseth said the U.S. had sunk an enemy ship by a torpedo for the first time since World War II.

IRIS Dena was returning from India after participating in the 2026 International Fleet Review in Visakhapatnam when it was reportedly attacked and later sank off the southern coast of Sri Lanka.

The federal government won't confirm if any Australian personnel were on a US fast-attack submarine that sank an Iranian warship, despite dozens of ADF members rotating through US submarines for ...

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