U.S. Marine Lance Cpl. Elias F. Taylor, from Ventura, California, demonstrates combat techniques for Republic of Korea Marines during Korean Marine Exchange Program 15-4 Feb. 5 at the Pyeongchang Winter Training Facility, Pyeongchang, Republic of Korea. Cohesiveness, interoperability and comprehension all play a vital role should the ROK and U.S. Marines need to work together during any future operation, according to U.S. Marine Staff Sgt. Donald J. Leek, platoon sergeant with Company L, 3rd Battalion, 3rd Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force under the unit deployment program. The overarching goal of KMEP is to enhance and improve the interoperability of ROK and U.S. Marine Corps forces. Taylor is a rifleman with Company L, 3rd Bn., 3rd Marines, currently assigned to 4th Marines, 3rd Marine Division, III MEF under the unit deployment program. The ROK Marines are with 1st Reconnaissance Battalion, 1st ROK Marine Division.