7th Air Division 2d Air Division Organization of Japanese units in Singapore Commander in Chief, Seventh Area Army Seishirō Itagaki, Commander in Chief, Seventh Area Army (Singapore) Deputy Chief of Staff, Singapore Units Kitsuju Ayabe:- Deputy Chief of Staff, Southern Army (Singapore) Officers attached to Seventh Area Army HQ Kitsuju Ayabe:- assigned to Seventh Area Army Headquarters (Singapore) Chief of Staff, Seventh Area Army Kitsuju Ayabe:- Chief of Staff, Seventh Area Army, till end of War Chiefs of Unit 9420, Singapore Rioichi Naito:- founder of Oka Unit (Unit 9420) Masataka Kitagawa:- Commander of Unit 9420 Commanders of regular Armies, Malay Peninsula Twenty-ninth Army Commander, Teizo Ishiguro 94th Division, Commander Teizo Ishiguro (HQ in Malay Peninsula) Satoshi Kinoshita (木下敏 中将): Commander of Third Air Army was assigned to Singapore, where it controlled the 5th, 7th, and 9th Air Divisions, etc. Major-General Arimina: Commandant Changi Jail, Singapore Kitsuju Ayabe: Chief of Staff 7th Area Army, Singapore Shinpei Fukei: Commandant Prisoner of War Camps, Singapore Kenji Doihara: Commander in Chief 7th Area Army, Singapore Masazumi Inada: Commanding Officer 3rd Shipping Transport Command, Singapore Kiyotake Kawaguchi, commanded the Kawaguchi Expeditionary Detachment striking at British Borneo. Utata Fukunaga: Commanding Officer 16th Field Transport Command, Malaya Lieutenant-General Inoue: General Officer Commanding 94th Division, Malaya Teizo Ishiguro: Led the Twenty-ninth Army (with 94th Division, etc.): Malay Peninsula Structures of Japanese forces in Penang Region Masakichi Itami: Governor-General of Penang Region Operative units in Malaya area 1st Tank Regiment - Colonel Mukaida 6th Tank Regiment - Colonel Kawamura 14th Tank Regiment - Colonel Kita Chiefs of Regular Armies, Singapore Campaign Tomoyuki Yamashita:- Twenty-fifth Army Commander, (took Singapore, conquered Bataan and Corregidor) Japanese Units in Singapore, Andaman and Malaya 10th Special Base Unit (Singapore) 12th Special Base Unit (Andaman) 15th Base Unit (Penang) Seventh Area Army (Singapore) - Kenji Doihara Sixteenth Army Twenty-fifth Army Twenty-ninth Army Japanese Army organization in Andaman/Nicobar Islands Yoshisuke Inoue: Commanding Officer 35th Independent Mixed Brigade, Andaman Islands Major-General Saburo Isoda: Japanese Liaison Officer to Indian National Army Toshio Itsuki: Commanding Officer 36th Independent Mixed Brigade, Nicobar Islands Hideo Iwakuro: Japanese Liaison Officer to Indian National Army Japanese Air Force Commanders in Singapore Satoshi Kinoshita (木下敏 中将):- Chief of Third Air Army] (HQ in Singapore) Air Units in Malaya, Singapore Japanese Navy Kanoya Air Group Genzan Air Group 22nd Koku Sentai Japanese Army Tachikawa Air Unit (technical evaluations on captured equipment) 5th Air Division 7th