The Joint Staff Office (Japanese: 統合幕僚監部, Tōgō bakuryō-kanbu: abbreviation: JSO), also known as the Joint Staff and formerly known as the Joint Staff Council, is one of the administrative agencies within the Government of Japan. It is a special organisation under the Japanese Ministry of Defense responsible for integrating the military operations of the Ground, Maritime and Air Self-Defense Forces. The abbreviation of the agency in Japanese is Tōbaku (統幕).

Joint Staff Office
統合幕僚監部
Tōgō Bakuryō Kanbu
Agency overview
FormedJuly 1954 (1954-07)
JurisdictionGovernment of Japan
HeadquartersShinjuku Ward, Tokyo, Japan
Agency executive
Parent departmentMinistry of Defense (Japan)
Child agencies
WebsiteJoint Staff Office Homepage

The JSO is considered to be the equivalent of the Joint Chiefs of Staff of foreign armed forces, including that of the United States. Its predecessor was the Joint Chiefs Council (JSC). The office is located in Shinjuku Ward, Tokyo.

The current Chief of Staff, Joint Staff is General Yoshihide Yoshida, who replaced General Koji Yamazaki after being appointed on 22 March 2023.[1][2]

On 30 October 2024, Ministry of Defense (MoD) decided to extend Chief of Staff, JS / General Yoshihide Yoshida's term to 29 April 2025.[3][4]

Organization

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General Yoshihide Yoshida, current Chief of Staff, Joint Staff for the Japan Self Defense Forces.

The JSO is divided into four departments as can be seen below. Each department has an associated code beginning with the letter J and a corresponding single-digit number. The Joint Staff also consists of four special staff (Joint Staff Councilor/Director General, Public Affairs Director General and Legal Affairs General).[5][6]

JSO internal structure:[6]

  • General Affairs Department (J-1)
  • Operations Department (J-3)
  • Logistics (J-4)
  • Defense Plans and Policy Department (J-5)
  • C4 Systems Department (J-6)

In January 1997, Establishment of Defense Intelligence Headquarters (DIH) in Joint Staff Council (JSC). (The J-2 was abolished.)

Main Executives

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Main Executives[7] [8]
Government Post Name Rank name Date of Appointment
Chief of Staff, JS General Yoshihide Yoshida 30 March 2023
Vice Chief of Staff, JS Lieutenant General Kenichiro Nagumo 30 March 2023
Senior Enlisted Advisor

to the chief of staff

Warrant Officer Osamu Kai 6 June 2024[9]
Administrative

Vice Chief of Staff, JS

Defense

Administrative

Isao Ono 19 July 2024
Director, General Affairs

Department (J-1)

Major General Keitaro Takaishi 2 August 2024
Director, Operations

Department (J-3)

Vice Admiral Shinichi Kawamura 2 August 2024
Director, Defense Plans

and Policy Department(J-5)

Major General Nobutaka Minamikawa 23 December 2022
Director, C4 Systems

Department (J-6)

Major General Yasuhiro Kato 29 August 2023
Principal Joint Staff Councilor Defense

Administrative

Yasuhiro Miyamoto July 2024
Joint Staff Councilor Defense

Administrative

Kyoichi Nakao October 2024
Director, Public Affairs Major General Yuki Sakata 29 August 2023
Legal Affairs General Colonel Junji Shinagawa 13 March 2023
Director, Logistics (J-4) Major General Toshio Imai 28 March 2024

Duties

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The duties of JSO inclues the following.[10][11]

The JSO is responsible for coordinating the activities of the ground, maritime and air service branches of the Japan Self-Defense Forces.[12]

  • Vice Chief of Staff, JS support Chief of Staff, JS in fixing and supervising affairs related to JSO.
  • Administrative Vice Chief of Staff, JS sum up and organize affairs related to the coordination of important matters related to JSO affairs.
  • General Affairs Department is responsible for building work plans related to JSO, account, and benefits.
  • Operations Department is in charge of the overall coordination of the action planning and operations related to emergency reaction measures.
  • Defense Plans and Policy Department is responsible for defense and security planning from executing mission smoothly through joint operations point of view.
  • C4 systems Department is in charge of not only planning and supervising communications necessary for planning actions but also planning and managing the use radio waves.

Affiliated organizations

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Founded in 1961, the Joint Staff College is an affiliated school of the JSO and the Ministry of Defense.[13]

References

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  1. ^ https://www.mod.go.jp/js/about/message-en.html
  2. ^ 日本放送協会. "自衛隊 統合幕僚長に吉田圭秀氏 防衛大出身者以外の起用は初 | NHK". NHKニュース. Retrieved 6 April 2023.
  3. ^ "Ministry of Defense Personal Announcement" (PDF). Ministry of Defense and Self-Defense Forces: Personal Announcement 2024 (Reiwa 6). 30 October 2024. Archived from the original on 30 October 2024. Retrieved 17 November 2024.
  4. ^ "吉田統幕長の定年延長 来年4月まで半年間―防衛省". 時事ドットコムニュース > 社会 > 吉田統幕長の定年延長 来年4月まで半年間―防衛省. 30 October 2024. Retrieved 18 November 2024.{{cite web}}: CS1 maint: url-status (link)
  5. ^ "Organization". JOINT STAFF OFFICIAL WEBSITE (TOP > ABOUT > ORGANIZATION). Retrieved 17 November 2024.
  6. ^ a b "Organization of JS | Japan Joint Staff Official Website". www.mod.go.jp. Archived from the original on 8 March 2019. Retrieved 31 July 2022.
  7. ^ "Organization". JOINT STAFF OFFICIAL WEBSITE (TOP > ABOUT > ORGANIZATION). Retrieved 17 November 2024.
  8. ^ "Personal Announcement". Ministry of Defense and Self-Defense Forces: Personal Announcement. 17 November 2024. Retrieved 17 November 2024.{{cite web}}: CS1 maint: url-status (link)
  9. ^ "Holding Senior Enlisted Advisor to the chief of staff Change of Command Ceremony". Topics, 2024 (JOINT STAFF OFFICIAL WEBSITE). 6 June 2024. Archived from the original on 19 July 2024. Retrieved 17 November 2024.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  10. ^ "防衛省組織令の一部を改正する政令(令和六年政令第二百九十三号)". 防衛省組織令(昭和二十九年政令第百七十八号) 政令. 1 October 2024. Archived from the original on 1 October 2024. Retrieved 18 November 2024.
  11. ^ "Jurisdiction". JOINT STAFF OFFICIAL WEBSITE (TOP > Responsibility of Joint Staff). Retrieved 17 November 2024.
  12. ^ "Responsibility of COS,JS | Japan JSO Official Website". www.mod.go.jp. Archived from the original on 31 July 2022. Retrieved 31 July 2022.
  13. ^ "History | Joint Staff College". www.mod.go.jp. Retrieved 31 July 2022.
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