Pararescue Jumpers with the 52nd Expeditionary Rescue Sqadron evaluate a simulated patient during a mass casualty response exercise April 19, 2015. The exercise tested the response of pararescue team members during a simulated plane crash with 12 victims. The 52nd ERQS is the primary personnel recovery unit supporting Operation INHERENT RESOLVE. (U.S. Air Force photo by Tech. Sgt. Jared Marquis/released)