Rust?....Corrosion?....isn't that the stuff I see on home shows that these designer type people are always trying to make their brand new metal things look like? (ain't I a stinker? )
As a restorer, I shake my head at such people.
Cool on the Corsair stuff. I love that plane(and a great deal of that era). That is one impressive engine on there! In AV mechanic school we have the next size down engine. It was HUGE! And cool