U.S. Air Force Staff Sgt. Kailtlin Eller, 633d Medical Group Basic Life Support program director for Joint Base Langley-Eustis, applies a simulated gunshot wound to a volunteer on JBLE, Virginia, May 17, 2019. The volunteers were asked to simulate a range of medical injuries from gunshot wounds to allergic reactions. (U.S. Air Force photo by Airman 1st Class Marcus M. Bullock)