Below is the order of battle for the Canton Operation, October to December 1938 during the Second Sino-Japanese War.
21st Army - Lt. Gen. Motoo Furusho [8]
5th Division - Lt. Gen. Rikichi Ando [8]
9th Infantry Brigade
11th Infantry Regiment
41st Infantry Regiment
21st Infantry Brigade
21st Infantry Regiment
42nd Infantry Regiment
5th Mountain Artillery Regiment
5th Cavalry Regiment
5th Engineer Regiment
5th Transport Regiment
18th Division - Lt. Gen. Seiichi Kunou [8]
23rd Infantry Brigade
55th Infantry Regiment
56th Infantry Regiment
35th Infantry Brigade
114th Infantry Regiment
124th Infantry Regiment
22nd Cavalry Battalion
18th Mountain Artillery Regiment
12th Military Engineer Regiment
12th Transport Regiment
104th Division - Lt. Gen. Toshio Miyake [8]
107th Infantry Brigade
108th Infantry Regiment
170th Infantry Regiment
132nd Infantry Brigade
137th Infantry Regiment
161st Infantry Regiment
104th Field Artillery Regiment
104th Cavalry Regiment
104th Engineer Regiment
104th Transport Regiment
Forces directly under 21st army: [2]
3rd Independent Machinegun Battalion
16th Independent Machinegun Battalion
21st Independent Machinegun Battalion
1st Independent Light Armored Car Battalion
51st Independent Light Armored Car Battalion
52nd Independent Light Armored Car Battalion
111th Mountain Artillery Regiment
10th Independent Mountain Artillery Regiment
2nd Mortar Battalion
21st Mortar Battalion
11th independent Heavy Siege Artillery Battalion
1st, Independent Heavy Mortar Battalion
2nd Independent Heavy Mortar Battalion
1st Independent Balloon Squadron
15th Independent Military Engineer Regiment
1st Field Operation Heavy Artillery Brigade
8th Signal Communication unit
6th Field Operation Weather Service
3rd Field Operation Survey Group
8 Batteries Field Anti-aircraft guns
4th Flight Group - Major Gen. Tomo Fujita [8][2] (Formed on September 19, 1938, under the 21st Army)
64th Hiko Sentai - Major Tamiya Teranishi,[2][3] (Base: Ertaokou 8/38 – 11/38)
1st Chutai - Captain Mitsugu Sawada
Nakajima Ki-27 fighter aircraft
2nd Chutai - Captain Tsuguroku Nakao
Kawasaki Ki-10 fighter aircraft
Nakajima Ki-27 fighter aircraft
27th Hiko Sentai - ? [2][3]
1st Chutai - ?
Light bomber - ?
31st Hiko Sentai - ? (Base: Canton 11/38 – ) [2][3]
Light bomber unit.
1st Aviation Corps (reconnaissance aircraft)[2]
94th Flight Group [2]
97th Flight Group [2]
3rd Flying Field Squadron [2]
1st Field Operation Flying Field team.[2]
Notes:
21st Army formed on September 19, 1938, and attacks Guangzhou October 12, 1938. [2]
Canton Area Defense October 1938 [1]
12th Army Group - Yu Han-mou [1]
62nd Corps - Chang Ta
151st Division - Mo His-teh
152nd Division - Chen Chang
63rd Corps - Chang Jui-kuei
153rd Division - Chang Jui-kuei
154th Division - Liang Shih-chi
65th Corps - Li Chen-chiu
156th Division - Li Chiangi
157th Division - Huang Tao
158th Division - Tseng Yu-chiang
9th Separate Brigade - Li Chen-liang
20th Separate Brigade - Chen-liang
Humen Fortress Command - Chen Tse
Navy[1]
River Defense Command - ?
Haimen Fortress
Pearl River flotilla
Shao-ho
Hai-chou
Hai-hu
Hai-ou
Airforce[1] Kwang tung Air Defense command - ? (3 x 75mm AA batteries, 20 lesser caliber AA batteries, 4 searchlights )
41st AAA Regt.
1 battery ? mm (Humen Fortress)
?
45th AAA Regt.
2 76.2mm AA batteries (Canton)
?
3rd Searchlight detachment
4 searchlights
