Well, the US and ROK would establish air superiority more or less instantly. And air power combined with counter-battery radar means that the North Korean artil

Well, the US and ROK would establish air superiority more or less instantly. And air power combined with counter-battery radar means that the North Korean artillery would be degraded with extreme rapidity. Plus, I'm sure the US and ROK forces are aware of a large number of the North Korean artillery positions already, and those would be among the first targets in any conflict.