The Katayama Detachment was a task force of the
2nd Division of the
Imperial Japanese Army
The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emperor o ...
during the
Soviet–Japanese border conflicts
The Soviet–Japanese border conflicts, also known as the Soviet-Japanese Border War or the First Soviet-Japanese War,was a series of minor and major conflicts fought between the Soviet Union (led by Joseph Stalin), Mongolia (led by Khorloog ...
of 1939. The detachment fought small actions near Akiyama heights, or Heights 997 during 6–10 September 1939. The 2nd Division, along with the
4th Division, was attached to
Sixth Army during the
Battle of Khalkhin Gol
The Battles of Khalkhin Gol (russian: Бои на Халхин-Голе; mn, Халхын голын байлдаан) were the decisive engagements of the undeclared Soviet–Japanese border conflicts involving the Soviet Union, Mongolia, Ja ...
as reinforcements for a projected counterattack that was canceled when a ceasefire was signed.
Component units
Katayama Detachment:
* 15th Infantry Brigade
** 16th Infantry Regiment
** 30th Infantry Regiment
* 1 Field Artillery battalion
Sources
*
Coox, Alvin D. ''Nomonhan, Japan Against Siberia, 1939''. Stanford, CA: Stanford University Press, 1985.
Detachment, Katayama
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