over the next several hours. i want to bring in retired lieutenant general mark le hertling. you know what it s like to be there, general, you know what it s like to be a serviceman on duty and tour perspective. give us your perspective? yeah, i ve been there, john, in 1989, the 2nd infantry division. we took a group of soldiers to do exactly what happened here, it was a tour, to see what we were defending. the reason those buildings are blue, this is a u.n. command post, it s not a u.s. command post. it s mostly guarded by u.s. forces, military policemen. but these are the best of the best. the same is true on the other side. the north korea can t soldiers are chosen for their height, their strapness, they re over 6 feet tall. you don t mess around when you go to this site. this site is on a post named