Regt 109th Cavalry Regiment 109th Engineer Regiment 109th Transport Regiment Army Airforce [2] Rinji Hikodan 1st Hiko Daitai/16th Hiko Rentai – Captain Takeshi Takahashi 1st Chutai (Kawasaki Ki-10) 2nd Chutai (Kawasaki Ki-10) Base: Changpeh (08/37 – 09/37), Hailang (10/37 – 09/38) 2nd Hiko Daitai – Major Saburo Kondo 2nd Chutai (Kawasaki Ki-10) Base: Tientsin (07/37 – 12/37) Notes: 1. Main force of the 5th Division was in Shanxi, involved in the Battle of Taiyuan. The temporarily detached regiment was supporting the attack on the Baoding area in mid September.[1] 2. After the Marco Polo Bridge Incident, the conflict between Japan and China became a general war. Japan sent two tank battalions to China from Japan proper in September 1937: 1st Tank Battalion – Col. Baba 2nd Tank Battalion – Col. Imada These two tank battalions were assigned to the 1st Army in Hebei. The 1st Army started to attack the Chinese in the south of Peking on September 14, and advanced towards the south. Tanks were used for infantry support and tank battalions were attached to the infantry divisions. [3] The 1st Tank Battalion was attached to the IJA 20th Division.[3] 2nd Tank Battalion was attached to IJA 14th Division.[5] Sources [1] Hsu Long-hsuen and Chang Ming-kai, History of The Sino-Japanese War (1937–1945) 2nd Ed.,1971. Translated by Wen Ha-hsiung, Chung Wu Publishing; 33, 140th Lane, Tung-hwa Street, Taipei, Taiwan Republic of China. Pg. 184–191. Map 4 [2] Sino-Japanese Air War 1937–45 [3] Taki's IMPERIAL JAPANESE ARMY PAGE [4] Madej, W. Victor, Japanese Armed Forces Order of Battle, 1937–1945 [2 vols], Allentown, Pennsylvania: 1981 [5] Forum: Pacific War 1941–1945, discussion about Shanghai Defense force Aug. 11 1937 [6] Generals from Japan [7] 陸軍師団長一覧 (Generals of Division) China Order of battle August – September 1937 [1] 1st War Area – Chiang Kai-shek [1] August – September 1937 2nd Army Group – Gen. Liu Chih, deputy Sun Lien-Chun 1st Army – Sun Lien-chung 27th Division – Fen An-pang [r] 30th Division – Chang Chin-chao 31st Division – Chih Feng-cheng 44th Separate Brigade – Chang Hua-tang 3rd Corps – Tseng Wan-cheng 7th Division – Tseng Wan-cheng (concurrent) 12th Division – Tang Huai-yuan 52nd Corps – Kuan Lin-cheng 2nd Division – Cheng tung-kuo[r] 25th Division – Kuan Lin-cheng[r] 14th Army – Feng Chien-tsai 42nd Division – Liu Yen-piao 169th Division – Wu Shih-ming 47th Division – Pei Chang-hui 17th Division – Cao Shou-shan 177th Division