Sri Lanka took control of the Iranian naval auxiliary ship IRIS Bushehr after the vessel requested assistance near the island following the sinking of the Iranian frigate IRIS Dena by a U.S. submarine ...

The submarine, which is currently docked at Pearl Harbor, is the fourth U.S. military vessel to be named after the Queen City.

A US submarine strike on an Iranian warship near Sri Lanka has intensified the conflict between the US and Iran. This action ...

The incident took place on March 4 in international waters about 40 nautical miles off Galle on Sri Lanka's southern coast ...

"It’s almost certain that Electric Boat contributed to its manufacturing in whole or in part,” Sen. Richard Blumenthal.

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

Iran’s foreign minister says the US ‘will come to bitterly regret’ the precedent set after a US sub sank its frigate off the coast of Sri Lanka.

A US submarine sinking an Iranian warship is an extraordinarily uncomfortable reminder of what India does not have and what it very badly needs.

Iran attacked Israel and American bases on Thursday and has threatened the United States for torpedoing an Iranian warship in the Indian Ocean.

The Iranian warship IRIS Dena was in the Indian Ocean when a Los Angeles-class U.S. attack submarine fired an MK-48 torpedo, ...

The United States on Wednesday released a video showing the final moments of the IRIS Dena, a modern Iranian Moudge-class frigate, before it sank in t.

The Pentagon has not said which American submarine fired the torpedo, except to say it was a fast-attack submarine.