Is the reason for the trip a chance to get out of the country (bugging out) during the launch? Will he give a launch signal while he's gone and not be there to save face if it's shot down?
Or is he going there by Russian request and are they going to read him the riot act? Or is it because he's actually seeking THEIR advice?
I suspect that Kim is not going to be the Great Leader for long. I think the Russians and Chinese are finally beginning to catch on that this guy is dangerous to their health.