Airmen assigned to the 28th Aircraft Maintenance Squadron perform self-aid and buddy care on a simulated injured Airman during the phase II segment of an operational readiness exercise at Ellsworth Air Force Base, S.D., July 11, 2013. OREs are designed to prepare and train airmen for real-world contingencies in a deployed environment (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)