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

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

This story has been updated with additional information from U.S. Central Command about the sinking of an IRGCN corvette. An ...

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

In 1942, a German U-boat torpedoed the British liner Laconia — only to discover it carried Allied prisoners of war. In an extraordinary act, the submarine surfaced and began rescue operations. What ...

To this day, there has only been one recorded instance of submarine-on-submarine warfare during WWII. The German Navy's destroyed U-864 is toxic to this day.

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

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 ...

The sinking of Iran's IRIS Dena by a US submarine marked a significant event, with Defence Secretary Pete Hegseth calling it the first enemy ship sunk by a torpedo since WWII. This incident raised ...

A U.S. submarine sank a warship with a torpedo off the southern coast of Sri ​Lanka, dramatically widening Washington's pursuit of the Iranian navy.

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

Beijing is working to ramp up production of nuclear-powered attack boats and incorporate larger numbers of guided-missile classes into its submarine force, putting the People’s Liberation Army Navy on ...