4th SFS pioneers ACC training program
Senior Airmen Willie Gibson (left) and Donald Suver, 4th Security Forces Squadron patrolmen, cover a doorway and stairwell respectively, while clearing a building during monthly training Feb. 11, 2015, at the range training complex on Seymour Johnson Air Force Base, North Carolina. The training facility includes three buildings with interior stairwells, balconies and observation catwalks. (U.S. Air Force photo/Airman 1st Class Aaron J. Jenne)