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 san diego air and space museum sandiegoairandspacemuseum aviation aeronautics flight tranchard monochrome Catalog Last Name Trenchard First Name Hugh Montague Repository San Diego Air and Space Museum Archive Catalog Last Name Trenchard First Name Hugh Montague Repository San Diego Air and Space Museum Archive