once because at first you're like, oh, no, and then you're like, wow, look how big it is. and then, whoo, they missed. so you get a big group of emotions running at the same time. >> they have several close calls, but the unit doesn't lose anyone in its yearlong tour. but the soldiers will remember this drive through the desert for a long time to come. >> holy [ muted ]. >> i don't know how anybody could forget that who was in that vehicle. it will stick with you for a while. >> whoa! holy [ muted ]. >> everybody good? baghdad, iraq. october 24th, 2005. it's late afternoon when a surveillance camera pointed at a traffic circle captures an suv slowing down. suddenly, it explodes. nbc news bureau chief carl bostic is in the traffic circle when it happens. >> everything around me was just orange, you know, from the front window and the side window, a big bang or roar. >> he's so close to the