They don't. I doubt they ever will. However, that did not stop them for 'working on it.'
Kim Jong-un was prominently featured riding on a rusty NK sub by NK state media, which was claiming that they are developing a boomer.
196 posted on 08/23/2015 9:30:41 PM PDT by TigerLikesRooster
(The way to crush the bourgeois is to grind them between the millstones of taxation and inflation)