Really like the shuttle, I've been looking for a shuttle that can be utilised for boarding and I can see the inspiration really did wonder on this shuttle. I spent around 6 hours adding a horizontal docking port to my submarine just to accommodate this shuttle.
However, one important thing that is missing is a platform for the bottom docking hatch because when you add this shuttle to the top docking hatch of a submarine you can't enter the shuttle as you have nothing to step on.

I want to add something like this to a sub, also a larger image of the anime girl XD