This image was originally posted to Flickr by San Diego Air & Space Museum Archives at https://www.flickr.com/photos/49487266@N07/4822153653. It was reviewed on 2013-04-08 17:51:01 by FlickreviewR, who found it to be licensed under the terms of the No known copyright restrictions, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid.