DIYALA LOOK U.S. Army soldiers scan for suspicious activity during a patrol of the Diyala River Valley in Iraq Dec. 27, 2008. The soldiers are assigned to the 25th Infantry Division's 3rd Battalion, 21st Infantry Regiment, 1st Stryker Brigade Combat Team. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 422977-V-EVP67-445.jpg Photo Gallery