French military mission to Japan (1918–1919)

The French Aeronautical Mission to Japan (1918–1919) was the first foreign military mission to Japan since the 1890s. In 1918, Japan invited the fourth French Military Mission, composed of 50 members and equipped with several of the newest types of airplanes, to establish the fundamentals of the Japanese airforce (the planes were several Salmson 2A2, Nieuport, Spad XIII, two Breguet XIV, as well as Caquot dirigeables).

Source: Wikipedia — French military mission to Japan (1918–1919) (CC BY-SA 4.0)