National Air and Space Museum Archives
Ralph H. Upson was born on 21 June 1888.
Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please submit an Application for Permission to Reproduce NASM Material, available at Permissions Requests
No restrictions on access.
Pilots' Licenses Collection, NASM.XXXX.0650, National Air and Space Museum, Smithsonian Institution.
aeronautics, civil
Ballooning
Licenses
Aviation
Archival materials