PALS PORTRAIT Iraqi children gather around U.S. Air Force Staff Sgt. David Bertles as he documents a cordon and knock operations led by U.S. Army soldiers in Afak, Iraq, Nov. 30, 2008. Bertles, a combat photographer, is assigned to the 4th Infantry Division's 2nd Battalion, 8th Infantry Regiment, 2nd Brigade Combat Team. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 182350-O-KFC30-285.jpg Photo Gallery