20th SFS Airmen train for real world threats
U.S. Air Force Staff Sgt. Edward Leslie, 20th Security Forces Squadron standards and evaluation technician, follows a group of Airmen through an active shooter training session at Shaw Air Force Base, S.C., Oct. 29, 2014. Leslie follows the Airmen throughout the building to ensure they use proper technique, movements, and perform proper actions. (U.S. Air Force photo by Airman 1st Class Michael Cossaboom/Released)