Airfix 1/48 North American Mustang Mk.IV A05137Scheme 1: KM272 Dooleybird 19 Squadron RAF 1945Scheme 2: KH676/CV-A Flg Off A F Lane, 3 Squadron RAAF Cervia Italy, April 1945As the North American Mustang was developed as a direct result of a British Air Ministry requirement, it is somehow fitting that the RAF and Commonwealth air forces used the aircraft extensively during WWII. The British designation for the later P-51D version was Mustang IV, with the Dallas built P-51K, which used a different Aeroproducts propeller, referred to as the Mustang IVa.