Col. Dai Tran, 779th Flight Medicine doctor, treats Lacey McGee, 811th Operations Support Squadron flight equipment technician, for simulated wounds at Joint Base Andrews, Md., Sept. 10 2015. The exercise tested a variety of preparedness aspects including first response and transporting patients to ambulances and helicopters. (U.S. Air Force photo/ Airman 1st Class J.D. Maidens/released)