Republic of Korea naval contruction battalion members build a multipurpose SEA Hut during the Combined Joint Logistics Over-the-Shore 2017 exercise in Pohang, South Korea, April 2, 2017. Approximately 2,500 U.S. and 1,200 Republic of Korea (ROK) service members participated in the CJLOTS exercise. (U.S. Army photo/Capt. Derrick Dixon)