three different directions, special forces spread out across open farm land. >> right on the backside. right on the backside. >> reporter: their only cover in this fertile valley, low lying ditches and sparse undergrowth. >> all right, that's all we're going to do. we're going to continue out this [ bleep ] river bed until we get to the left side. >> let's go straight there. let's roll. >> for a brief moment they pause, as special forces operator targets the enemy firing position with a 40 millimeter grenade launcher, but the firefight rages on. we got intelligence that there was an ied set in this area. we have come into these open fields. and they're returning fire. we do know that there's a taliban strong house at the base of these mountains. with enemy fire gets closer,