Pykrete battlecarrier.

- It costs twice as much as the equivalent carrier. - Its slower than a brick at sea. - You should never build this. + Space efficient designs I believe lets us get 90 deck size (+1 deck), space efficient designs is pretty good on carriers you leave a little under-decked making them less cost ineffective. + Your capital line will give it screening bonus giving it great accuracy for wiping enemy screens. + Uses regular planes, not naval planes. + Resists weather penalty. + Truly global range. + Its very swaggy and it makes you look cool.