Republic of Korea Marine Cpl. Geon Shin breaches a building alongside U.S. Marines under smoke concealment during Korean Marine Exchange Program 15-12 at Gunha-Rhi, Gimpo, Republic of Korea, Sept. 17, 2015. KMEP 15-12 is a bilateral training exercise that enhances the ROK and U.S. alliance, promotes stability on the Korean Peninsula and strengthens ROK and U.S. military capabilities and interoperability. Shin, from Mokpo, ROK, is a rifleman with 1st Company, 11th Battalion, 1st Regiment, 2nd Marine Division. The U.S. Marines are with Fox Company, 2nd Battalion, 3rd Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force under the unit deployment program. (U.S. Marine Corps photo by Cpl. Tyler S. Giguere/ Released) - Republic of Korea Marine Cpl. Geon Shin breaches a building alongside U.S. Marines under smoke concealment during Korean Marine Exchange Program 15-12 at Gunha-Rhi, Gimpo, Republic of Korea, Sept. 17, 2015. KMEP 15-12 is a bilateral training exercise that enhances the ROK and U.S. alliance, promotes stability on the Korean Peninsula and strengthens ROK and U.S. military capabilities and interoperability. Shin, from Mokpo, ROK, is a rifleman with 1st Company, 11th Battalion, 1st Regiment, 2nd Marine Division. The U.S. Marines are with Fox Company, 2nd Battalion, 3rd Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force under the unit deployment program. (U.S. Marine Corps photo by Cpl. Tyler S. Giguere/ Released)