Weekday at arlington s 6900 a year, as we saw an aerial shot, what you would see, besides those iconic crosses, 220,000 flags that are planted there on memorial day by the u.s. army infantry regiment, also known as the old guard. i am joined once again by jack jacobs, colonel, who served in the war in vietnam, jason hanson, iraq war veteran. when you go to arlington, colonel, what do you think? what goes through your mind? a couple things. i first go to go to this gravesite to people i ve known and who i knew 45 years ago, who have fought in combat, were buried at arlington. i go to the wall, vietnam wall, across the potomac in washington, d.c. it took me a long, long long time as a matter of fact, it had been erected for years and i lived ....