The South Korean-owned Philly Shipyard in the United States does not currently have the capability to build a nuclear-powered ...

When it comes to naval strength, the US is peerless, and that tradition continues with the first rigorous sea test of this ...

Senior Korean officials suggested this week that its Navy build nuclear-powered submarines in a domestic shipyard, rather ...

South Korea received U.S. approval to build a nuclear-powered attack submarine that can operate for months underwater, track ...

It's the second time in just a few months the US president has brought up nuclear submarines in response to Russian talk ...

Trump’s announcement was short on detail but came a day after he finalized a trade deal with South Korea that includes a ...

Japan's Defense Ministry said the country faces "the most severe and complex security environment" since World War II.

US President Donald Trump announced a week ago that South Korea would build the submarine in a Philadelphia shipyard.

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

The move would not only strengthen deterrence but also reduce the risk of open conflict in Northeast Asia, analysts say.

It's unclear what the timeline for such a project would be. The announcement follows trade negotiations between the countries ...