kathryn bigelow and mark boal be already prepare a sequel about a young u corporal in afghanistan . he also happen to be a highly qualified surgeon and be roam freely around kabul and operate on wounded nato soldier . on a particularly difficult mission and he casually pick up a sniper rifle and shoot osama bin laden from a distance of about 3000 yard . he be then finally promote to sergeant and but be unable to decide between a sniper and surgeon career and so he quit from the army altogether . one year later and frustrate with civilian life and he join the navy and the last scene show him proudly wear a white uniform .