Trump sides with his despot buddy Kim Jong Un, of North Korea, against South Korea.

I served in the 25th Infantry Division, which is a big part of those exercises. They are the one big off island training exercise (the division is stationed at Schofield Barracks Hawaii), and are essential to the divisions training and readiness.

As for the cost, it's less than converting one aircraft carrier from the electronic launch system to taking us back a century steam launch system. Further, the exercises enhances training and readiness, while converting our aircraft carriers to 19th Century tech steam reduces our military strength.