U.S. Navy Religious Program Specialist 3rd Class Jacob Birtola, left, with the III Marine Expeditionary Forces Headquarters Group, builds a sandcastle with a South Korean elementary school student March 27, 2014, while participating in a community relations event during Ssang Yong 14 as part of Marine Expeditionary Force Exercise (MEFEX) 2014 in Pohang, South Korea. MEFEX 2014 was a U.S. Marine Corps Forces Pacific-sponsored series of exercises between the U.S. Navy and Marine Corps and South Korean forces. Among the exercises were the Korea Marine Exercise Program, Freedom Banner 14, Ssang Yong 14, Key Resolve 14 and the Combined Marine Component Command 14 command post exercise.