The imagery and information released by KCNA would lead an observer to conclude that this recent test was conducted from the SINPO-class experimental ballistic missile submarine based at the Sinpo South Shipyard. This, however, may be incorrect … It would appear to be more reasonably in line with assessed North Korean capabilities, however, that the test launch was conducted from a submerged barge—possibly the one seen at the Sinpo South Naval Shipyard.