NK is starving, equipped with ancient hardware, and without adequate fuel for training. The one thing they have is artillery, which can do an incredible amount

NK is starving, equipped with ancient hardware, and without adequate fuel for training. The one thing they have is artillery, which can do an incredible amount of damage to SK. So you think the current token US force in SK can stop China if it decides to intervene? That force just acts as a nuclear tripwire; it doesn't need to be larger to act in that fashion.