BUDDY BUMP: U.S. Army Command Sgt. Maj. Jimmy Carabello shows Afghan children how to exchange the informal 'fist bump' greeting while on a patrol through the streets of Asadabad city in Kunar province, Afghanistan, Aug. 19, 2009. Carabello is assigned to the 10th Mountain Division's 1st Battalion, 32nd Infantry Regiment, 3rd Brigade Combat Team. U.S. Army photo by Staff Sgt. Andrew Smith
