An Afghan boy shows his injured finger to U.S. Army Sgt. Arturo Islas, who disinfects and bandages it, during a patrol in the Khas Kunar district of Afghanistan's Kunar province, July 7. Islas, a Los Angeles native, is a combat medic attached to Company A, 1st Battalion, 32nd Infantry Regiment, 10th Mountain Division, based out of Fort Drum, N.Y.