U.S. Army Sgt. 1st Class Scott Miller an antiterrorism noncommissioned officer with 8th Theater Sustainment Command, works in the 8th Army Rear Command Post during exercise Ulchi Freedom Guardian 2013 at Camp Walker in South Korea, Aug. 26, 2013. Ulchi-Freedom Guardian is an annual joint/combined command post exercise designed to improve the ability of South Korea to defend itself. (U.S. Army photo by Sgt. 1st Class Kevin P. Bell/Released)