Chief Master Sgt. Calvin Williams tours Keesler
Tech. Sgt. William Olson, 334th Training Squadron instructor, shows Chief Master Sgt. Calvin Williams, Air Force Global Strike Command command chief master sergeant, the air traffic control tower simulator at Cody Hall June 10, 2016, Keesler Air Force Base, Miss. Williams also received mission briefings from 2nd Air Force and the 85th Engineering Installation Squadron during his site visit. (U.S. Air Force photo by Kemberly Groue)

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Photo by: Kemberly Groue |  VIRIN: 160610-F-BD983-057.JPG