Senior Airman Jose Perez, 2nd Security Forces Squadron emergency services team member, clears an area during a hijacking exercise at Barksdale Air Force Base, La., August 14, 2018. Air Force and DoD instructions direct annual exercises to keep units mission ready. These exercises range from hijackings to active shooters. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Photo by: Airman 1st Class Tessa B. Corrick |  VIRIN: 180814-F-DX695-1504.JPG