Members of the San Antonio Fire Department secure a simulated casualty to a litter during a major accident and response exercise Oct. 12. The SAFD joined the 59th Medical Wing, the 502nd Air Base Wing and the 37th Training Wing for the exercise to ensure emergency responders and prepared for AirFest 2010. (U.S. Air Force photo/Robbin Cresswell)

Emergency responders prepare simulated victims for transport during the major accident response exercise Oct. 12. The exercise involved units from the 502nd Air Base Wing and the 59th Medical Wing, as well as the San Antonio Fire Department. (U.S. Air Force photo/Robbin Cresswell)

Members of the 802nd Civil Engineer Squadron transport a simulated patient during the major accident response exercise Oct. 12. (U.S. Air Force photo/Robbin Cresswell)

Lt. Col. James Chambers, 59th Medical Wing, treats a simulated patient during a major accident response exercise Oct. 12. Lackland conducted the MARE to prepare for the upcoming AirFest 2010, scheduled for Nov. 6 and 7. (U.S. Air Force photo/Robbin Cresswell)

A Lackland emergency responder assesses injuries of a simulated victim during the major accident response exercise Oct. 12. Lackland conducted the MARE to prepare for the upcoming AirFest 2010, scheduled for Nov. 6 and 7. (U.S. Air Force photo/Robbin Cresswell)