Airman 1st Class Christine Aylesworth applies M-9 Chemical Agent Detection Paper to the sleeves of Airman 1st Class Derek Brummett inside a defensive fighting position during the mobility exercise June 24 on Charleston AFB. Airmen from across the base are participating in a mobility exercise in preparation for the Headquarters Air Mobility Command operational readiness inspection in August. Airmen Aylesworth and Brummet are both installation entry controllers for the 437th Security Forces Squadron. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)

Chief Master Sgt. Lawrence Savidge debriefs security forces Airmen after completing a portion of the mobility exercise June 24 on Charleston AFB. Airmen from across the base are participating in a mobility exercise in preparation for the Headquarters Air Mobility Command operational readiness inspection in August. Chief Savidge is the SFS Manager and is also an Exercise Evaluation Team member during the exercises for the 437th Security Forces Squadron. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)

Staff Sgt. James Lynch hands Airman 1st Class Ryan Dodson an unidentified individual's fake identification after trying to gain unauthorized access to the base during the mobility exercise June 24 on Charleston AFB. Airmen from across the base are participating in a mobility exercise in preparation for the Headquarters Air Mobility Command operational readiness inspection in August. Sergeant Lynch is an expeditionary combat skills trainer and Airman Dodson is an installation entry controller for the 437th Security Forces Squadron. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)