My guess is that nautilus was lacking either time or confidence (prob time, given the wonderful looking I400) and hence used what was readily available for the tank. I'm
mightily impressed with this work, it looks superb.
Would any of the GWX devs be willing and able to let us know if its possible to edit the number of extra vehicles at busy times? I suspect its too late to consider anything like this for 1.04, but who knows!