Security Forces guard mount
U.S. Air Force Airman 1st Class Matthew Wolf, 355th Security Forces Squadron member, clears his M9 at Davis-Monthan Air Force Base, Ariz., July 7, 2016. The 355th SFS mission is to protect, defend and fight to enable Air Force, joint and coalition mission success. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)