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

What Are Robert Gaucher’s New Responsibilities as Submarine Czar? As the Pentagon’s submarine portfolio manager, Gaucher will ...

For the first time, China has outstripped U.S. nuclear-powered submarine production, an independent global security think ...

The US Navy is preparing its future ballistic missile submarine fleet to operate the ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

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

The Chinese Navy has “dramatically increased” submarine production and could soon deploy a new vessel that’s able to hit ...

Prime Minister Anthony Albanese’s disclosure about the attack in the Indian Ocean prompted concern that Australia’s close ...

After a U.S. submarine sank Iran’s IRIS Dena with a Mk 48 torpedo, attention turned to the Navy’s primary undersea weapon ...

The gap between Russia and the West has pushed Moscow to prioritize unconventional capabilities, a top Norwegian military ...

Diesel engines cannot work without oxygen, so how do diesel submarines operate when they're underwater? Their propulsion ...