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:
jack harding jackharding harding charles kingsford smith charleskingsfordsmith kingsford smith kingsfordsmith les arnold lesarnold arnold leslie arnold lesliearnold aviators aviation groupshot people photo border outdoor From the Frank S. ampquotLukeampquot Luqueer Photo Collection Repository San Diego Air and Space Museum Archive