[@ACHTUNG]

Okay, okay...

1) Since the ship will usually be somewhere out of reach, what can the mental model do in combat?

2) Having a giant-ass ship equipped with alien tech sitting around will not go unnoticed by the worlds this RP will be visiting. The damage control will be immense. The Entertainer would feel that the cons outweigh the pros.

So in conclusion, if you really want to use ship girls then why not Kantai Collection girls?