U.S. Army Staff Sgt. Jeffrey Eaken teaches a class to Iraqi Army Soldiers on the 120mm Mortar System and the hand and arm signals used to adjust it in Mahmudiyah, Iraq, March 26, 2009. The U.S. Soldiers are assigned to the 1st Infantry Division's Company D, 1st Combined Arms Battalion, 63rd Armor Regiment, 2nd Brigade Combat Team. U.S. Army photo by Sgt. Kani Ronningen.