the heart of this army. Commanders in Regular Armies, Dutch East Indies Campaign Kiyotake Kawaguchi:- Brigade Commander, 35th Infantry Brigade (MajGen), after outbreak of Pacific war, participated in Borneo invasion. Shizuo Sakaguchi: Commanded the Sakaguchi Detachment built around three infantry battalions detached on the eastern coast of Borneo. Moritake Tanabe: Commanding Twenty-fifth Army (with the Imperial Guard Division, etc.) Sumatra area. Hitoshi Imamura: Commanding 16th Army, Java, then 8th Area Army (responsible for 17th Army in the Solomons and 18th Army in New Guinea) Yuichiro Nagano: Commanding 16th Army, Java Kumachiki Hada: Commanding 16th Army, Java Major-General Akashi: Commanding Officer 56th Independent Mixed Brigade, Borneo Masao Baba General Officer Commanding 4th Division, Sumatra and General Officer Commanding 37th Army, Borneo Shinichi Endo: Commanding Officer 57th Independent Mixed Brigade, Celebes Major-General Ishiri: Commander in Moluccas Area Takeo Itō: Commanding Officer 40th Independent Mixed Brigade, New Ireland Island from 8 July 1944 Shigeo Iwabe: Commanding Officer 28th Independent Mixed Brigade, Java Jo Iimura: Commander in Chief 2nd Area Army, Celebes Units in the Dutch East Indies 21st Special Base Unit (Surabaya) 22nd Special Base Unit (Balikpapan) 23rd Special Base Unit (Makassar) 25th Special Base Unit (Ambon) Second Area Army (in the Celebes) Thirty-seventh Army (in South Borneo) - Masao Baba 4th Tank Regiment - Lieut.Colonel Kumagaya 2nd Tank Regiment - Colonel Mori Units in Halmahera island (Dutch East Indies) Imperial Army detachment 32nd Division-Lieutenant-General Yoshiho Ishii 128th Independent Mixed Brigade Imperial Navy detachment 26th Special Base Force - Vice-Admiral Shinichi Ichinose. (It was disbanded in the late World War II) Japanese Air Units in the Dutch East Indies Japanese Navy Genzan Air Group Tainan Air Group 934th Air Fleet 36th Air Fleet References Military history of Japan during World War II World War II orders of battle