A U.S. Army soldier from Alpha Battery, 2nd Battalion, 82nd Regiment, 3rd Advise and Assist Brigade, 1st Cavalry Division, searches an open trench for possible signs of improvised explosive devices during a foot patrol outside Contingency Operating Base Adder, Sept. 22, 2011. Alpha Battery 2-82 conducts various counter-IED surveillance foot patrols in support of Operation New Dawn. (U.S. Army photo by Spc. Johnny Curry)