Army personnel assigned to Bravo Company, 121st Combat Support Hospital, based out of Camp Yungsan, Republic of Korea, assess Lance Cpl. Tyone Wilkes for simulated injuries while participating in a mass casualty training exercise. Marines assigned to Fleet Antiterrorism Security Team Company Pacific, 2nd Platoon, are participating in a medical field training exercise with Army personnel assigned to 121st Combat Support Hospital, to test their surgical combat readiness skills. (Navy photo/Petty Officer 3rd Class James Norman)