23 September 1943 September 23, 2023Aviation43-12105, Fighter, Full-Scale Tunnel, NACA, NACA Langley Memorial Aeronautical Laboratory, National Advisory Committee for Aeronautics, North American Aviation Inc., North American Aviation P-51B Mustang, P-51B-1-NA, Wind TunnelBryan Swopes North American Aviation P-51B Mustang fighter in the Full-Scale Tunnel, NACA Langley Memorial Aeronautical Laboratory, Hampton, Virginia, 23 September 1943. (NASA) Drag test of North American Aviation P-51B-1-NA Mustang 43-12105 in the NACA Full-Scale Tunnel. (NASA)