Top: Background: Smithsonian photo by Dane Penland; plane: © Mark Polott / Index Stock Imagery; tour: Photo by Carolyn Russo / NASM; bottom three photos: Courtesy of the Department of the Treasury, Bureau of Engraving and Printing
Top: Background: Smithsonian photo by Dane Penland; plane: © Mark Polott / Index Stock Imagery; tour: Photo by Carolyn Russo / NASM; bottom three photos: Courtesy of the Department of the Treasury, Bureau of Engraving and Printing