A City of Riverside firefighter assesses a victim's condition to get him ready to be transported to a medical facility. Several local hospitals also participated in the exercise held at March Air Reserve Base, California. An emergency medical crew from Mercy Air airlifted simulated casualties. Some one hundred disaster responders and injured actors participated in a mass casualty exercise held on the flight line at the base. The exercise involved several community partners, such as Riverside EMS, AMR and Mission ambulance. (U.S. Air Force photo by 4th CTCS)