U.S. Marine Corps Lance Cpl. Osniel E. Magarino and Cpl. McDonald L. Charleston with III Marine Expeditionary Force Headquaters Group patrols surrounding area of Entry Control Point (ECP) for the U.S. and Republic of Korea (ROK) at 1st Republic of Korea Marine Corps Base, Pohang, South Korea, March 14, 2014. ECP Marines have thirty-six hour shifts and their mission is to provide secuirty for the Marine Expeditionary Force Exercise (MEFEX) 2014 command operating center. (U.S. Marine Corps Photo by Lance Cpl. Andrew M. Blanco, III MEF Combat Camera/Released)