Holiday Flash Mob
U.S. Air Force Band Commander Col. Larry H. Lang conducts the band's annual holiday flash mob performance at the Smithsonian National Air and Space Museum in Washington, D.C., Nov. 29, 2016. (U.S. Air Force photo by Jim Varhegyi)(released)

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Photo by: Jim Varhegyi |  VIRIN: 161129-F-FC975-191.JPG