The Decennial Air Cruise (Italian: Crociera aerea del Decennale) was a mass transatlantic flight from Orbetello, Italy, to the Century of Progress International Exposition, Chicago, Illinois. The expedition, organized by the Italian Regia Aeronautica, began on July 1, 1933, and ended on August 12 of the same year. It consisted of 25 Savoia-Marchetti S.55X seaplanes crossing the Atlantic Ocean in formation, forming the greatest mass flight in aviation history. The Italian Squadrons, led by General Italo Balbo, were welcomed enthusiastically in the Netherlands, the UK, Iceland, Canada and particularly in the United States of America, where they became known as the Italian Air Armada. A publicity success for Fascist Italy, Balbo further viewed the expedition as a pioneering step towards comme