Exercise tests base response to active shooter
Tech. Sgt. James Herrera, 81st Security Forces Squadron operations NCO in charge, and Staff Sgt. Cody Berry, 81st SFS ?, survey the area for gunmen during Keesler's active shooter exercise at the Keesler Medical Center Mar. 17, 2016, Keesler Air Force Base, Miss. An active duty Air Force member simulated opening fire at the hospital to test the base's ability to respond to and recover from a mass casualty event. (U.S. Air Force photo by Kemberly Groue)