The Katayama Detachment from the IJA 2nd Division fought small actions near Akiyama heights, or Heights 997 on 6–10 September 1939. 2nd Division (and the 4th Division) was attached to Japanese Sixth Army in the Battle of Khalkhin Gol as reinforcement for a projected counterattack that was canceled when a cease fire was signed.
Katayama Detachment
References
Katayama Detachment Wikipedia(Text) CC BY-SA