South Korean marines conduct on-off drills with a U.S. Marine Corps MV-22 Osprey tiltrotor aircraft assigned to Marine Medium Tiltrotor Squadron (VMM) 262 during Marine Expeditionary Force Exercise (MEFEX) 2014 March 17, 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.