Boeing B-47A 49-1900 NACAThese are 1 72 scale decals for Boeing B 47A 49 1900, operated by NACA (National Advisory Committee for Aeronautics) as an aeronautical research aircraft. The B 47 Stratojet was a revolutionary design when it entered service, introducing swept wings and podded jet engines to American bomber aviation. NACA acquired early B 47A airframes to study the aircraft's advanced aerodynamic characteristics, contributing to the foundational research that would