A group of NATO navies are conducting “Operation Ice Camp Boarfish” in the Arctic Ocean—even as a war rages thousands of miles away in Iran.

Secretary of Defense Pete Hegseth called the sinking of an Iranian warship with a single Mk48 torpedo a "quiet death." ...

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

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

Defense Secretary Pete Hegseth calls Iranian warship sinking a message that 'gloves are off' as U.S. nuclear submarine ...

Rear Admiral Mike Brookes said in a statement to the U.S.-China Economic and Security Review Commission that the Chinese Navy ...

Australians serving on the US submarine that sank an Iranian warship were sent to their cabins while torpedoes were fired.

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

During the US Navy’s Ice Exercise (ICEX), nuclear-powered submarines surface through thick Arctic ice in one of the most ...

A new nuclear target map includes a Georgia military base. Why is it listed among 15 vulnerable spots for attack in the US.

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