TAHRIR SECURITY U.S. Army Staff Sgt. Charles Holland, assigned to the Military Transition Team, provides over watch security from his turret for the Iraqi army, 4th Battalion, 2nd Brigade, 5th Division, during Operation Brown Hawk in Tahrir, Iraq, Feb. 27, 2007. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 993090-J-IXX12-037.jpg Photo Gallery