This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
sdasm aviation aeronautics blackandwhite monochrome black and white Catalog Manufacturer Designation Official Nickname Notes Racing Planes Repository San Diego Air and Space Museum Archive Catalog Manufacturer Designation Official Nickname Notes Racing Planes Repository San Diego Air and Space Museum Archive