U.S. Army Sgt. Steven Mason looks around a cliff in the Udaim River Valley, in the Diyala province, Iraq, Dec. 11, 2008. Mason is assigned to the 25th Infantry Division's Headquarters and Headquarters Company, 1st Battalion, 24th Infantry Regiment, 1st Stryker Brigade Combat Team. The team is partnering with the Iraqi army to clear the Udaim River Valley of terrorists and disrupt al-Qaida networks and weapons caches. U.S. Army photo by Spc. Bobby L. Allen Jr.