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Joint Staff Office

統合幕僚監部 Tōgō Bakuryō Kanbu
Agency overview
Formed	July 1954 (1954-07)
Jurisdiction	Government of Japan
Headquarters	Shinjuku Ward, Tokyo, Japan
Agency executive	General Yoshihide Yoshida, Chief of Staff, Joint Staff
Parent department	Ministry of Defense (Japan)
Child agencies	Joint Staff College SDF Intelligence Security Command JSDF Cyber Defence Command
Website	Joint Staff Office Homepage

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).

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.

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

Organization

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).

JSO internal structure:

• 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

Duties

The duties of JSO inclues the following.

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

• 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

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

References

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. ^ "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.

External links

• Joint Staff Office
• Joint Staff College

• Japan Self-Defense Forces