oliver: in bartela, east of mosul, we met up with ed serving as advisers to the iraqi army. the town was recently liberated from the claws of isis by coalition forces. >> what's the assignment for your battalion in this brigade? >> we're partnered with the iraqi counterterrorism service on an advise and assist mission. two parts to that, we're providing our best military advice to partners to best optimize their plan, advice on integration and surveillance and reconnaissance. one of the things we've noticed here is a distinct lack of medical support for them. you get a couple of ambulances over there. yesterday we watched them racing back from the front with terribly wounded guys. two american ngos had none of their own, is that something we should be doing? >> so there is an iraqi and coalition combined casualty collection point, so where they evacuate the casualty by coalition medics. oliver: the two american medics in action are pete reed from new jersey and californian derek coleman. >> so the casualty that just left here, how long is it going to take for him to get to a