David Holbrook, the late Chief Master Sgt. Leon Holbrook’s son, admires the placard that dedicated the library to his father June 2, 1980 during a rededication ceremony inside the Holbrook Library at Ellsworth Air Force Base, S.D., July 26, 2018. The library was selected as one of eight Air Force libraries to receive $274k in order to remodel and update. (U.S. Air Force photo by Amn John Ennis)