Max Impact at the Museum of American History
Senior Master Sergeant Ryan Carson has some audience members join him as back-up singers at Max Impact's recent performance at the Smithsonian Museum of American History. (U.S. Air Force Photo by Senior Master Sgt Kevin Burns/released)

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Photo by: Senior Master Sgt Kevin Burnsreleased |  VIRIN: 150624-F-WA084-004.JPG