Staff Sgt. Terrance Harris prepares a 64th Aggressor Squadron F-16 Fighting Falcon cockpit before a training flight Aug. 13, 2013, at Nellis Air Force Base, Nev. Before each flight, the crew chief prepares the cockpit and ensures the pilot is strapped in safely. Harris is a crew chief assigned to the 57th Maintenance Squadron. (U.S. Air Force photo/Airman 1st Class Joshua Kleinholz)

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Photo by: Airman 1st Class Joshua Kleinholz |  VIRIN: 130813-F-MF020-107.JPG