just last july fox news cameras were rolling when our conor powell and some troops on the ground with him were ambushed. conor returned to the region and has a progress report for us. he's streaming live from forward operating base san jere. >> reporter: just about every inch of southern kandahar, u.s. and is afghan forces were ambushed out on patrols, but after a massive clearing operation by coalition forces, that has begun to change, and there are signs of progress. it is still very dangerous. just in the past 24 hours two grenade attacks on u.s. troops patrolling, and there are ieds everywhere. in the middle of a pom gran net field, u.s. soldiers find a hidden taliban bunker and prepare to destroy it with a small amount of explosives. >> a16? >> yeah. >> i'm just going to try to implode it. >> fire in the hole!