marines enter the village squire. villagers are upset. this kind of training is about as realistic as it can get for the marines. this is what general mcchrystal worries about incidents of civilians being killed by military action and then it all spins out of control. what did the marines learn here? tactical pulse, figure out what s going on. you had an i.d. going off. reporter: how to work as a team under fire. did you know what was going on all the time? no. when you guys got contacted you just who said who the contact was from. i couldn t hear what was going on. reporter: how realistic, how good is the training? i like this. it s good training. we get in there. you have actual role players speaking the language, smells different. reporter: at the end of the day the idea is if a young marine is going to make a