Aaron Clark, Hill Aerospace Museum director, and Col. Jon Eberlan, 75th Air Base Wing commander, unveil the 80th anniversary commemorative lithograph during the commencement of the Hill Air Force Base 80th Anniversary Celebration at the Hill Aerospace Museum Jan. 18, 2019. (U.S. Air Force photo by R. Nial Bradshaw)

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Photo by: r.nial.bradshaw |  VIRIN: 200118-F-OD616-0005.JPG