U.S. Secretary of Defense Pete Hegseth said a U.S. submarine sank the Iranian warship IRIS Dena off the coast of Sri Lanka with a torpedo — marking the first such attack by a U.S. submarine since World War II.
.@SECWAR “In the Indian Ocean—an American submarine sunk an Iranian warship, that thought it was safe in international waters.
Instead, it was sunk by a torpedo—Quiet Death.
The first sinking of an enemy ship by a torpedo since World War 2. Like in that war—back when we were… pic.twitter.com/Y97YQBxQza
— DOW Rapid Response (@DOWResponse) March 4, 2026
U.S. Secretary of War Pete Hegseth said that a U.S. submarine sank the IRIS Dena off the coast of Sri Lanka with a torpedo, the first such attack by a U.S. submarine since the Second World War. pic.twitter.com/BhtG2Wc4nq
— NewsWire 🇱🇰 (@NewsWireLK) March 4, 2026