How about some details? Like how you know this is it and links to more info. Your posts are pretty bare. It is customary around here to flesh out posts if there is info to be found. Most of yours would be fairly easy to flesh out.
By the way, how do you know that this particular plane is the shuttle's 747?
on google eateh, look at the tail stabilizers. The shadow shows that they are squared off, someting you are not likely to find on another 747. The pictures at airliners.net show the plane at marana several times, alongwith the square stabilizers.
By the way, how do you know that this particular plane is the shuttle's 747?