The tanks are all over the Terminal. Here are some great shots:
https://www.flickr.com/photos/23688072@N06/Many of the cars are marked "Do not load: return for repairs" The blue one on the end simply says "Do not load" I'm guessing this is part of some game by the CTR. We'll probably all have some good STB reports to enjoy again.
I really, REALLY wish I could have seen this movement personally!
-Matt