Airmen assigned to the 28th Aircraft Maintenance Squadron treat Senior Airman Gary Jarvis, 28th AMXS crew chief, with simulated self-aid and buddy care on the flightline during the Phase II portion 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 Zachary Hada/Released)