The United States will share closely held technology to allow South Korea to build a nuclear-powered submarine.

South Korea's prime minister put his political weight behind his country's multibillion-dollar bid to sell Canada submarines. Kim Min-seok accompanied his Canadian counterpart, Mark Carney, on a tour of the Hanwha Ocean Ltd.

In a significant display of international defense cooperation, Canadian Prime Minister Mark Carney visited Hanwha Ocean’s Geoje Shipyard in South Korea’s Gyeongnam Province on October 30. The visit marked a crucial moment in Canada’s ongoing “Canada Patrol Submarine Project (CPSP)”,

Ohio-class guided-missile submarine USS Ohio (SSGN-726) moors alongside forward-deployed Emory S. Land-class submarine tender USS Frank Cable (AS-40) in Subic Bay, Philippines, on Sept. 23, 2025. US Navy photo A U.S. Navy guided-missile submarine capable ...

The Ohio-class submarine USS Florida, a converted guided-missile submarine (SSGN) capable of carrying 154 Tomahawk missiles, has a remarkable service history, including being the first of its class to fire Tomahawks in combat.

US President Donald Trump signed a deal on rare earth minerals Monday with Australian Prime Minister Anthony Albanese, and said Washington's key ally would get its coveted nuclear-powered attack submarines.

President Trump declined Friday to say whether the U.S. will resume underground nuclear weapons testing, which ended in 1992, saying only, “You’ll find out very soon.”