page_title: Imperial General Headquarters
section_title: Organization of the Imperial Japanese Army -- December 8, 1941
hierarchical_section_title: Imperial General Headquarters / Organization of the Imperial General Headquarters / Organization of the Imperial Japanese Army -- December 8, 1941
context_page_description: The Imperial General Headquarters was part of the Supreme War Council and was established in 1893 to coordinate efforts between the Imperial Japanese Army and Imperial Japanese Navy during wartime. In terms of function, it was approximately equivalent to the United States Joint Chiefs of Staff and the British Chiefs of Staff Committee.
context_section_description: The majority of these troops were stationed in China, Indochina, Japan, Taiwan, and Korea.  This includes some 61 divisions, 59 brigades, and 51 air squadrons. Only a fraction of Japan's military, 11 to 14 divisions and the South Seas Detachment, were available for the December 1941 operations in South-East Asia and the Pacific.
  Imperial General Headquarters
  IJA General Staff
  General Affairs Bureau
  Organization and Mobilization Department
  Training Department
  1st (Operations) Bureau
  Operations Department
  Defence Department
  2nd (Intelligence) Bureau
  Europe and the Americas Department
  China Department
  Russia/Soviet Union Department
  Intelligence Department
  3rd (Transport and Communications) Bureau
  Transport Department
  Communications Department
  4th (Historical) Bureau
  Military History Department
  Strategy and Tactics Department
  General Staff College
  Land Survey Department
  Ministry Of War
  General Defense Command
  China Expeditionary Army
  Kwantung Army
  Southern Expeditionary Army Group
  Units under direct General Staff control
  Imperial Japanese Army Air Service
  4th Infantry Division
  South Seas Detachment
  1st Army Hospital
  2nd Army Hospital
  3rd Army Hospital
  Korean Remount Department
  Army Air Service Transport Department
  IGHQ Communications Department
caption: Soldiers parading before the Showa Emperor Hirohito on Shirayuki
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