t’s ours,we have had a fleet of about 12 now and have had them since 1992. Remember the Phoenix lights? That was a bigger version, much bigger version.Standard ship is 90’ on all three sides.There is a photo of two of these escorting AF1 when zero was potus.
https://www.youtube.com/watch?v=ewkODdvtPOE
above is the video.
...wow
That explains the space force. Obama likely already shared it with the Russians and Chinese unfortunately.
Air Force One has four engines.