ノモンハン事件
In June 1933 he went to the Tokorozawa Flying School ("Tokorozawa Rikugun Koku Seibi Gakkō"), graduating in January 1934 and he became enlisted as a corporal in the 1st Chutai of the 11th Hiko Datai, posted in Harbin, Manchukuo (Manchuria). By the end of 1938 he had climbed through the ranks, becoming a warrant officer. He was 25 years old and had six years of flying experience by the time the Nomonhan Incident (Battles of Khalkhin Gol) began in May 1939.