Singing Sergeants
Workers in the Jones Building listen to a performance by the U.S. Air Force Band Singing Sergeants at Joint Base Andrews, Md., Dec. 19, 2018. (U.S. Air Force photo by Master Sgt. Michael B. Keller)

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Photo by: Master Sgt. Michael Keller |  VIRIN: 181219-F-SF570-009.JPG