Description:00 40 03 00 Aviation. End of years 10 and the beginning of the 20s. Transport, communication. Assembly of several series of plane. Researches, prototype and different evolutions. Parade of the end of the WWI in New York, on main avenue. Soldiers' parade, patriotism. Soldier on boat return to the country, they are on the bridge of "George Washington" and greet people on the quay, enjoyment, the reunion. Seen in sea of warships. Inside of workshop of construction, workers build planes in hangar. Workshop of assembly. Planes take out hangars to take off. Evolution important techniques duent in the war. Seaplane "NC4" is placed on water, sea. He has immense wings. Seen on seaplane in sky.