A U.S. Navy submarine sank an Iranian warship in international waters, Defense Secretary Pete Hegseth said Wednesday, the first such sinking of an enemy ship since World War II.

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

The downing of the Iranian frigate IRIS Dena marks the first time an American submarine has destroyed an enemy warship in decades.

A US submarine sank an Iranian warship in international waters, US Defense Secretary Pete Hegseth said, marking the first time since World War II that an American sub had attacked a surface vessel.

The Torsk’s sinking of the Japanese vessel marked the last U.S. submarine kill for over eight decades — that is until March 3, 2026.

Defense Secretary Pete Hegseth confirmed the torpedo attack, the first against an enemy vessel since World War II.

A single Mk-48 torpedo achieved "immediate effect" on an Iranian frigate, which was operating in the Indian Ocean, the Pentagon confirmed.

Sri Lanka’s navy has recovered 87 bodies and rescued 32 people after an Iranian warship was sunk by a U.S. submarine in international waters near the island. U.S.

An American submarine sank an Iranian warship in the Indian Ocean overnight — the first such US attack on a member of an enemy fleet since World War II, Secretary of War Pete Hegseth announced Wednesday.

Ultra Maritime, Braintree, Mass., has been awarded a U.S. Navy development contract for the next-generation Acoustic Device Countermeasure (ADC) MK6, a system designed to counter increasingly advanced