This image was created by Greg Goebel, who releases it into the public domain as part of his Vectorsite project. ("This site contains a set of public-domain writings on a range of subjects. All documents have been written by myself and are free for use in the public domain; many of the illustrations have been created by myself and are also in the public domain, with these illustrations marked "GVG / PD". [1]) The original image may be found in context at the Vectorsite article on the Antonov An-22, An-124, and An-225. Its source is http://www.vectorsite.net/avantgt_6.png.
