Chief Master Sgt. Calvin Williams, Air Force Global Strike Command command chief, speaks to attendees of Ellsworth’s chief recognition ceremony at the Dakota’s Club during a visit to Ellsworth Air Force Base, S.D., March 2, 2017. The ceremony recognized the base’s four senior noncommissioned officers who were recently promoted to the top 1 percent of the Air Force’s enlisted corps. (U.S. Air Force photo by Airman 1st Class Denise M. Jenson)
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