Nuclear weapons can produce some of the most devastating destruction of any device ever created by humankind -- so what ...

North Korea’s indigenous technological base is clearly insufficient to have developed the submarine on its own—almost ...

The Thresher incident remains one of the most tragic days in the Navy’s history as 129 sailors and crew perished.

A report to the US Congress discusses the possibility of an accident with a nuclear-powered submarine if it supplies one to ...

Kim’s submarine project may get a boost if Russia ... The steel shell that encloses the site of the world’s worst nuclear disaster was built to endure for a century. But war was a scenario ...

North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US. State media on Saturday ...

SEOUL, South Korea (AP) — North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the U ...

At least one submarine is at sea, armed with nuclear missiles and ready to fire them against any aggressor on behalf of the public. It’s not easy. There is no communication with family.

Commissioned in 1954, the USS Nautilus was the world's first nuclear-powered submarine. It was the first ship to visit the North Pole and participated in the Cuban missile crisis blockade.

Kim Jong-un, the North Korean dictator, visits a shipyard which state media claims is building a nuclear-powered submarine - KCNA/KNS/AP ...