of duty overseas. >> fortunately from my personal experience i didn't have to experience anything like that when i was over there myself. having gone through it now i feel more prepared for the area i'm going to in a few months. >> reporter: the whole idea is a systematic approach to training with multiple battlefield scenarios playing out all at the same time. >> they are learning here, versus down range which is the whole entire point behind it. >> reporter: it's about as realistic as you can possibly get, other than being in real combat. >> reporter: this is the last stop for many of these marine and corpsman before they go oversees. we've done some of these trainings around the country the last five, six, seven years, this one by far the most realistic and the props department, they used to make props for the movies and television shows, they are now making stuff that is as real as you can believe. my photographer and i have both been overseas a loo a lot of times. i can tell you you feel like you're walking through one of those middle eastern villages.