Airmen of the 59th Medical Wing, Joint Base San Antonio-Lackland, carry patients on litters to a WC-130J Hercules aircraft from the 53rd Weather Reconnaissance Squadron, Keesler Air Force Base, Miss., during the San Antonio Mass Casualty Exercise Event, Sept. 19, 2013 at Kelly Air Field, Texas. The SAMCEE 13 is a complex disaster scenario designed to test the ability of area hospitals to respond to a mass casualty event and to see how efficiently patients can be transported, treated and tracked via the National Disaster Medical System. (U.S. Air Force photo/Airman 1st Class Krystal Ardrey)(U.S. Air Force photo/A1C Krystal Ardrey)