The picture was taken on April 15, however, it became known only now. Until now, according to open source data, North Korea had one ship equipped with a ballistic missile. This is a diesel-electric submarine with a displacement of 1,7 of thousands of tons, which received the name Gorae-B in NATO.
The new ship, according to US intelligence, has a number of improvements - in particular, its hull is built of lighter composite materials, which expands the range of the submarine. The submarine was called Gorae-S.
North Korean submarines are armed with a medium-range solid-fuel ballistic missile Pukguksong-1. In April, 2016, Gorae-B, successfully launched a rocket from under water. The range of the Pukguksong-1 is estimated at 1250-2500 kilometers, the missile can carry a nuclear warhead.