. >> special list report gillin agrees. >> i'm sure the army is capable of defending themselves. it's good to back up allies. >> soldiers here treated me not as soldier only but as their brother. >> specialist scott. >> "war stories" joined u.s. and north korean soldiers on a night patrol in the dmz. >> young people that put on cloth of military today are phenomenal. >> i've been in the military now 34 years, and they are better than any other time i've been in the service. period, dot. >> all right roger. let me know what you're headed back so we can identify the mission over. >> my tour over here has opened my eyes to korea in general. >> do they understand the sacrifice made by the allies during the korean war? >> the older generation appreciates the fact we've been here more than 50 years. >> the generation that was here during the war, they revere general mcarthur with tremendous respect as they should. his leadership, his plan, his idea, his concept, his vision carried that day. >> yesterday at the mcarthur memorial, you and fellow marines saluted him. do people still regar

. >> eventually she got it, watching it all, sarah gillin, a certified instructor with the american heart association. >> it was too long. ideally we find that defibrillator within 60 seconds of the person collapsing. >> this next woman has never heard of it. >> a what? >> aed. >> aed. >> you know what that is? >> no. >> automated external defibrillator. >> oh, okay. >> do you know where the defibrillator is? no. even when she asks other people. the defibrillator is? >> sorry, no idea. >> no one is helping her. >> she gets warmer when she heads upstairs. >> she just walked right past it, too. >> right on the wall over there. >> a staffer finally shows her. >> oh, right here. here it is. >> unfortunately, you took so long to find it that that person's chance of survival would be incredibly slim. >> oh, my god. >> because we don't know where they are. you're like the rest of us. >> i didn't know i had to know where it was. >> what's the takeaway and what should we all be doing to make ourselves better. >> go to our workplaces, our schools, our gyms and find the defibrillator now so we are p