A group of Mongolian cavalry during the Nomonhan Incident.

Mongol Cavalry at Nomonhan

In spite of her poor quality, this photo is interesting because show the only Savoia-Marchetti S.81 of Spanish Nationalist Forces captured intact the Spanish Republican Forces during the Civil War. The plane were a bomber of XXV Grupo based at Mallorca captured by Republican on 1938 and integrated on the Grupo 72, 1ª Escadrilla of Fuerzas Aéreas de la República Española. Victor Sierra

S.81 captured by the Republican

Also known as Prince De Wang, Demchugdongrub was the leader of the Japanese-aligned Mongol Military Government (Mengjiang) in Inner Mongolia.
Many consider him to have been a pioneer of Inner Mongol Independence.