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 pfeiffer james r. pfeiffer jamesrpfeiffer james pfeiffer jamespfeiffer aircraft airliners north american aviation northamericanaviation naa north american northamerican north american northamericanm north american xb valkyrie northamericanxbvalkyrie