So I've tried to get aboard for a tour more than once, but from what I gather it's not really something you just casually do. When I called them (standing at th

So I've tried to get aboard for a tour more than once, but from what I gather it's not really something you just casually do. When I called them (standing at the locked door) they said they just run tours whenever possible, which may or may not happen on any day. I'm assuming you need to know someone involved with the museum to get aboard.