Cpt. Joung Woon Lee, 2nd Operational Command (2OC) Republic of Korea Army goes over operations with Cpl. Jae Hoon Lee a Korean Augment to the U.S. Army (KATUSA) during exercise Key Resolve 2013 in Daegu, Korea Mar. 14 2013. Both are assigned to the U.S. Army Service Component Command (Forward) during the exercise. ASCC (FWD) consists primarily of Soldiers from the U.S. Army Pacific Contingency Command Post from Fort Shafter, HI, along with augmenting forces from active duty and reserve units from the U.S. Key Resolve is a combined-joint command post exercise designed to help improve theater operations performance capabilities of the RoK-U.S. combined defense system, test the ability of augmenting forces deployment into the Korean peninsula and maintain the RoK war-fighting capability in order to defend the Korean Peninsula. Key Resolve 2013 is being led for the first time by the RoK Joint Chiefs of Staff and 10,000 RoK and 3,500 U.S. servicemembers are participating in the exercise held annually in Korea around the same time every year. The RoK JCS led exercise is being used to establish the basis for the transition of wartime operational control to the RoK.