SHAW AIR FORCE BASE, S.C. --   U.S. Air Force Senior Airman Barry O’Brien, 20th Security Forces Squadron installation patrolman, and Senior Airman Mitch Rabbitt, 20th SFS investigator, walk to their post during a Pumpkin Patrol event at Shaw Air Force Base, S.C., Oct. 31, 2016. Security Forces Airmen patrolled street corners and around base housing to ensure Team Shaw children could trick-or-treat safely. (U.S. Air Force photo by Airman 1st Class BrieAnna Stillman)