English: A U.S. Army Air Force De Havilland Canada Mosquito which was flown at the U.S. National Advisory Committee for Aeronautics (NACA) Langley Research Center, Virginia (USA), by test pilot Bill Gray during longitudinal stability and control studies of the aircraft in 1945. This aircraft was originally a Mosquito B Mk XX, the Canadian version of the Mosquito B Mk IV bomber aircraft. 145 were built, of which 40 were converted into photo-reconnaissance aircraft for the USAAF, which designated the planes F-8.