U.S. Air Force Staff Sgt. Brandon Murray, 20th Security Forces combat arms instructor, instructs participants from the combat arms tower in an inaugural M9 Excellence in Competition shooting event at the Combat Arms range complex at Shaw Air Force Base, South Carolina, Nov. 6 2019. All participants must follow the instructions said by the instructor in the tower at all times to ensure safety for everyone involved. (U.S. Air Force photo by Airman 1st Class Destani K. Matheny)