Hill AFB, UTTR evaluation exercises close
Capt. Timothy Six, 388th Operations Support Squadron, prepares for flight Aug. 7 at Hill Air Force Base. F-35s were participating in the Weapons System Evaluation Program, or WSEP, for the first time as the jets continue toward Full Warfighting Capability. (U.S. Air Force photo by R. Nial Bradshaw)

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Photo by: R. Nial Bradshaw |  VIRIN: 170807-F-OD616-0056.JPG