Quote Originally Posted by Braveheart88 View Post
I know that there isn't a separate "Scottish Navy," but in the pic I mentioned there was a Kilted Scottish Regiment fighting in WWI. I was wondering if there were any Kilted Fleets or something.
No Scottish fleets.

The kilt is allowed as part of the Mess Dress uniform for members of the Royal Navy who are of Scottish origin for use at mess dinners and other special occasions. Even this privilege is fairly recent by the way.