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

The Sri Lankan government took custody of the Bushehr after the U.S. sank an Iranian warship, the IRIS Dena, off Sri Lanka’s coast Wednesday. The strike marked one of the rare instances since World ...

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

Details of the recent sinking of the Iranian frigate IRIS Dena have become known. The vessel was attacked by the US ...

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

US officials have said that the submarine USS Charlotte fired the torpedo that sank Iran’s warship IRIS Dena in the Indian Ocean after two MK-48 torpedoes were launched.

The presence of a US submarine conducting lethal operations near friendly nations such as India raises questions about how insulated Asia’s sea lanes are from outside threats ...

"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 ...

After a U.S. submarine sank Iran’s IRIS Dena with a Mk 48 torpedo, attention turned to the Navy’s primary undersea weapon that first entered operational service in 1972.

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.

The sinking underscored the scope of the U.S.-Israeli war with Iran and its spread in the Middle East and beyond. It also ...