Twenty soldiers have vanished in North Korea after a seemingly minor misstep during a high-stakes military exercise.

North Korea has conducted a new test of nuclear-capable missiles, launching them over the sea off the west coast of the Korean Peninsula, state media reported. The missiles traveled a distance of 1,587 kilometers in an oval trajectory,

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,

Kim Jong Un was pictured on Saturday inspecting North Korea's first nuclear-powered submarine, which experts say poses a major risk to the United States and South Korea.