RE: Maybe not real fast but big
You are right the marks on the vertical fin are different .
It seems that we are not going to have much luck treated to find the video of that airplane , based at least on which the page of the owner says .
[link]http://homepage.eircom.net/~skycam/C-17A_Globemaster_III/[/link]
Click in the first pic you can see some details of the airplane .