Here are two visual errors with the battleship.
1. - Only gun positions show up on the chalk board.
2. - In the hanger, choosing a plane, wheels are down in the deck.
This hanger object hgr1 is the inside of the land based hanger. The CV hanger object CVHANGER does not work as the hanger for the BB. The hanger object has to be placed on water or grass will grow inside of the ship.