Operation Jehol order of battle
The Japanese and Manchukuoan order of battle for Operation Nekka was: Japan. Kwangtung Army Jehol Operation Force - Field Marshal Baron Nobuyoshi Muto, Manchukuo Imperial Army Manchukuoan Force 42,000 men - Chang Hai-peng or Zhang Haipeng Manchukuoan units with the Japanese Northern Column 10,000 men Manchukuoan units with the Japanese Eastern Column 15,000 men China. 5th Army Group - Commander in chief Tang Yulin (governor of Jehol) 6th Army Group - Zhang Zuoxiang (former governor of Kirin)* 4th Army Group - Wan Fulin* (former chairman of Heilongjiang)