U.S. Marines and Sailors with Marine Wing Support Squadron 172, I Marine Aircraft Wing (I MAW), participate in a mass casualty training exercise as part of a Combat Life Saver class during Korean Theatre Training (KTO) on Kunsan Air Force Base, Korea on March 13, 2014. KTO is a Korea Marine Exercise Program (KMEP) under the Marine Expeditionary Force Exercise (MEFEX) construct which is designed to enhance the interoperability between the U.S. Marine air-ground task force and Republic of Korea Marine task force. (U.S. Marine Corps photo by Lance Cpl. Richard Currier, 1st MAW/Released)