Security Forces guard mount

U.S. Air Force Master Sgt. David Beasley, 355th Security Forces Squadron trainer, checks an Airman’s dress and appearance during open ranks at Davis-Monthan Air Force Base, Ariz., July 7th, 2016. Security Forces members are responsible for ensuring the safety of base weapons, property and personnel from hostile forces. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

U.S. Air Force Master Sgt. David Beasley, 355th Security Forces Squadron trainer, checks an Airman’s dress and appearance during open ranks at Davis-Monthan Air Force Base, Ariz., July 7th, 2016. Security Forces members are responsible for ensuring the safety of base weapons, property and personnel from hostile forces. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

U.S. Air Force Airman Ricardo Venancio, 355th Security Forces Squadron member, returns his weapon at Davis-Monthan Air Force Base, Ariz., July 1, 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)

U.S. Air Force Airman Ricardo Venancio, 355th Security Forces Squadron member, returns his weapon at Davis-Monthan Air Force Base, Ariz., July 1, 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)

U.S. Airmen assigned to the 355th Security Forces Squadron perform open ranks during guard mount at Davis-Monthan Air Force Base, Ariz., July 7, 2016. The 355th SFS consists of over 300 military and civilian personnel. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

U.S. Airmen assigned to the 355th Security Forces Squadron perform open ranks during guard mount at Davis-Monthan Air Force Base, Ariz., July 7, 2016. The 355th SFS consists of over 300 military and civilian personnel. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

U.S. Air Force Airman 1st Class Matthew Wolf, 355th Security Forces Squadron member, loads his equipment into a vehicle 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)

U.S. Air Force Airman 1st Class Matthew Wolf, 355th Security Forces Squadron member, loads his equipment into a vehicle 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)

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)

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)

U.S. Air Force Staff Sgt. Alexandra Sullivan, 355th Security Forces Squadron member, collects equipment from SFS personnel at Davis-Monthan Air Force Base, Ariz., July 1, 2016. Security Forces members are responsible for ensuring the safety of base weapons, property and personnel from hostile forces. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

U.S. Air Force Staff Sgt. Alexandra Sullivan, 355th Security Forces Squadron member, collects equipment from SFS personnel at Davis-Monthan Air Force Base, Ariz., July 1, 2016. Security Forces members are responsible for ensuring the safety of base weapons, property and personnel from hostile forces. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

U.S. Airmen assigned to the 355th Security Forces Squadron take notes during guard mount at Davis-Monthan Air Force Base, Ariz., July 1, 2016. Security Forces members are responsible for ensuring the safety of base weapons, property and personnel from hostile forces. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

U.S. Airmen assigned to the 355th Security Forces Squadron take notes during guard mount at Davis-Monthan Air Force Base, Ariz., July 1, 2016. Security Forces members are responsible for ensuring the safety of base weapons, property and personnel from hostile forces. (U.S. Air Force photo by Airman 1st Class Mya M. Crosby/Released)

DAVIS-MONTHAN AIR FORCE BASE, Ariz. -- The 355th Security Forces Squadron mission is to protect, defend and fight to enable Air Force, joint and coalition mission success. Security Forces members are responsible for ensuring the safety of base weapons, property and personnel from hostile forces. The 355th SFS consists of over 300 military and civilian personnel.