Airman 1st Class Renaldo Maxwell from the 6th Medical Group, MacDill Air Force Base, Fla., and Sgt. Stephanie Dean, 60th Inpatient Operations, Travis Air Force Base, Calif., carry a mannequin into the back of a Kentucky Air National Guard C-130 Hercules at Springfield-Branson National Airport in Springfield, Mo., on May 18, 2011, as part of National Level Exercise 2011. The exercise is based on a scenario involving a massive earthquake along the New Madrid fault line, requiring extensive aeromedical evacuation of injured patients. (U.S. Air Force photo by Senior Airman Maxwell Rechel)