First Lt. Oliver Chang, Space and Missile Systems Center developmental engineer, plays a violin during a Tops in Blue concert Sept. 27, 2015, on Ramstein Air Base, Germany. During each annual tour, Tops in Blue entertains more than 250,000 military personnel and their families, presenting an average of 120 performances at 100 locations worldwide. ( Air Force photo/ Senior Airman Jonathan Stefanko)

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Size: 4072px × 3020px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, force