A North American P-51D-15-NA Mustang (HL-B, serial number 44-15459) nicknamed “American Beauty” of the 308th Fighter Squadron, 31st Fighter Group. This aircraft was assigned to Captain John J. Voll. A North American P-51D-15-NA Mustang (HL-B, serial number 44-15459) nicknamed “American Beauty” of the 308th Fighter Squadron, 31st Fighter Group. This aircraft was assigned to Captain John J. Voll. Artwork by Claes Sundin.