U.S. Marines with Chemical Biological Radiological

U.S. Marines with Chemical Biological Radiological Nuclear (CBRN) Platoon, 1st Marine Aircraft Wing and U.S. Air Force Airmen with 51st Readiness and Emergency Management Flight, 51st Wing, participate in a joint CBRN exercise during Marine Expeditionary Force Exercise (MEFEX) 2014 at Osan Air Force Base, South Korea, March 21, 2014. MEFEX will enhance the interoperability between the U.S. Marine air-ground task force and the Republic of Korea Marine task force while honing amphibious capabilities of each nation's Navy and Marine Corps. (U.S. Marine Corps photo by Lance Cpl. Richard Currier/Released)