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Ensign of the Stormo B.N. of the Regia Aeronautica.svg ensign of the Stormo Bombardamento Notturno th Night Bombing Wing of the Regia Aeronautica Italian Air Force distintivo del Stormo Bombardamento Notturno della Regia Aeronautica inkscape Massimo Civoli Aeroplani Gribaudo editore ISBN fmboschetto it cartolinaBeltrami