Command Chief Master Sgt. Thomas Stiles, Senior Noncommissioned Officer Academy commandant, stands in front of the SNCOA emblem, June 28, 2018, on Maxwell Air Force Base, Gunter Annex, Alabama. Following his recent rank provision, Stiles will now oversee 75 staff and the annual professional education of more than 2,800 students. (U.S. Air Force photo by Airman 1st Class Charles Welty)