However, POTUS Trunp is a different flavor of President from the weaklings that have held the seat before, and Kim may have decided to play a game of chance against the one person he shouldn't have played against. POTUS Trump is different enough to show Kim a few tricks that NK will not like.
Stealth bombers could take out artillary, comms, radar
and power beforr the North knew what happened.
He’s got the MOAB which can suck all the air right out of a lot of caves in a mountain range.