It is not wise to pretend to be plotting targets for intercontinental missiles if you don't have any intercontinental missiles.
Stealth bombers could reduce North Korea to a glassine parking lot in three hours. They should have waited a while before issuing this kind of rhetoric. The reality doesn't match the depiction.
You have to wonder if the U.S. is provoking them so they will serve as an alibi for the next false flag, which could be nuclear. God forbid. Seven megaton Sandy Hook. I would not put anything above the gang of thugs that are in there now.