Ok, the canopy is grouped to the hull. It's textures come from that map. So I am not sure why the parts are on the map for the glass, but I am not a master of these things, and I don't understand everything.

I am going to attempt to make a broken window Not sure how just yet, but I know there will be masking involved.

If I had a nickle for ever time a woman told me to get lost, I could buy Manhattan.