| 2. ||S. Sgt. George Doll, Section chief in charge of 155-mm howitzer crew, Củ Chi, Vetnam ||Howitzers; Military officers; Soldiers; Rifles; Artillery (Weaponry); Bunkers; ||George Doll standing in military uniform, with a rifle strapped over is shoulder. In the background is a howitzer, two soldiers, and a sandbag covered bunker.