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

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

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

As Germany escalated unrestricted submarine warfare in 1917, Allied convoys and destroyer screens became the counterweight to the U-boat threat. In November 1917, USS Fanning’s lookout spotted a thin ...

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

While it’s been almost a century since the last kill by an American submarine, other navies have done so more recently.

The Iranian warship that was sunk in the Indian Ocean likely didn’t have the technology needed to defend itself against ...

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

A U.S. Navy fast attack submarine sank an Iranian warship in the Indian Ocean ...

US Secretary of Defense Pete Hegseth said Wednesday that a US submarine sank an Iranian warship in international waters after Sri Lanka’s Navy said it rescued more than two dozen people from an ...

The sinking of an Iranian warship by a US Navy submarine off the coast of Sri Lanka this week is something a US sub hasn’t done in more than 80 years and is another indication that Washington’s war ...

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.