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.

North Korea has long vied for nuclear-powered submarines, which would allow it to fire missiles from underwater. Advanced detection of the weapons is difficult, making the country’s construction of the warships worrisome.

North Korea may soon seal its place in an exclusive global club after Kim Jong Un unveiled the country’s first nuclear-powered submarine under construction. ‘These incomparably revolutionary vessels must fulfill their mission as a nuclear power’s formidable deterrent that will overpower the hostile forces’ entrenched “gunboat diplomacy”‘,