North Korea unveils submarine-launched ballistic missile at military parade

North Korea has celebrated the end of a rare political meeting by unveiling what appears to be a missile designed to be fired from a submarine.

Images released by the country's state-run Korean Central News Agency (KCNA) showed thousands of people and soldiers at a nighttime military parade in Pyongyang, the capital, including leader Kim Jong Un. The headliner, however, was the new submarine-launched ballistic missile (SLBM) -- which KCNA declared was the "world's most powerful weapon." Pyongyang also showed off an apparent new short-range ballistic missile which, like its submarine counterpart, likely runs on solid fuel. Solid-fueled missiles can be fired on shorter notice than liquid-fueled counterparts.