os osan. another routine patrol ending, thankfully without incident. the pace here is relentless, captain moses 36th squaw dron flies f-16s. the home has u2 spy planes, keeping a constant watch on the enemy no the north. for months now the u.s. military has been quietly beefing up its presence in the region and we have been following every step. in august, joint drills with the south koreans suddenly took on a whole new urgency. the enemy is left unnamed, but it s clear which battle they were rehearsing for. in september, we watched as american troops moved a battery of thad missiles, the most advanced missiles in the world into position. missile defense systems aren t just about defense. they different those who have them the ability to attack and survive a counterattack. and while the thad has not yet