Behind 20th SFS berets
U.S. Air Force Airman 1st Class Andrea Pearson, 20th Security Forces Squadron entry controller, gives a base visitor directions at Shaw Air Force Base, S.C., Feb. 13, 2018. Installation entry controllers assigned to the base’s Sumter Gate see more than 1,000 vehicles per day and provide a line of defense to protect installation security. (U.S. Air Force photo by Airman 1st Class Kathryn R.C. Reaves)