The announcement came amid fears that Pyongyang may be receiving crucial military technology from Russia in return for sending troops and weapons for its war against Ukraine.

Cigarette in hand, and with the toothiest of grins, North Korean leader Kim Jong Un posed for photographs at a shipyard next to the makings of a “nuclear-powered strategic guided missile submarine.” The vessel appears to be a 6,

North Korean leader Kim Jong Un was reported to be inspecting a project to build a nuclear-powered submarine, state media reported Saturday.

Kim Jong Un is aiming to increase North Korea's nuclear weapons capability as the U.S. remains cautious about the country's alliance with Russia in the Ukraine war.

The supreme leader of North Korea has tried to hide the true purpose of the military site - but global analysts say sand traps with launch pads pose a slight giveaway

North Korea currently has an estimated 70 to 90 submarines, but most are old and can only launch torpedoes and mines, not missiles.

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.S. The state media agency on Saturday released photos showing what it called “a nuclear-powered strategic guided missile submarine,

North Korea has long focused on military power, but now its leader Kim Jong-Un is setting his sights on the sea. He has declared that turning North Korea into a strong maritime power is a top priority.

North Korean leader Kim Jong-un has inspected a nuclear-powered submarine construction site, North Korean state media reported on March 8. Kim emphasized that North Korea’s maritime defense capabilities would be exercised without restriction,