ALL SMILES U.S. Army Sgt. 1st Class Christopher Oliver smiles at an Iraqi child during a patrol in the Suleikh and Qahira neighborhoods of Baghdad, April 1, 2008. Oliver is a platoon leader assigned to the 4th Infantry Division's Company A, 1st Squadron, 2nd Stryker Cavalry Regiment, Multinational Division Baghdad. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 885795-X-DAD75-981.jpg Photo Gallery