1948
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- December 7
- The Military Manpower Bureau was established as the First Bureau of the Ministry of National Defense.
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1949
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- September 1
- Military Service Administration was transferred to the Army Headquarters.
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1953
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- September 1
- The Ministry of National Defense was in charge of conscription system and the Ministry of Home Affairs was in charge of summon system.
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1954
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- September 1
- The charge of summon system had got back to the Ministry of National Defense.
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1962
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- October 1
- The City-Provincial Military Manpower Administration was established in major cities in Korea.
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1970
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- August 20
- The Military Manpower Administration was established under the Ministry of National Defense in accordance with the Government Organization Act.
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2001
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- December 31
- The Central Physical Examination Agency was opened.
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2002
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- March 25
- The Call-Center of Military Manpower Administration was opened.
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2003
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- November 20
- 1 new Bureau within the MMA of its Headquarters and four divisions of the regional branches were created.
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2006
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- July 1
- New horizontal team system was introduced in order to respond to rapid environmental changes.
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2007
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- September 14
- Headquarter for Social and Welfare Policy was created.
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2008
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- February 29
- The Social Services & Mobilization Bureau has been made by integrating Headquarters for Mobilization & Call up with Headquarters for Social Services.
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2009
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- March 31
- The subordinate organizations of MMA have been reorganized into the big bureau and department system and it's names and functions have been changed according to this change. Mobilization policy officer has been abolished.
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2013
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- March 23
- By the new Government's Reorganization Plan, 1 team converts into division and 2 divisions are renamed. 1 division moves within the MMA.
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2015
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- July 1
- Incheon Branch Office of Military Manpower Administration was opened.
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2016
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- February 29
- The Social Service Corps Training Center was opened.
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2020
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- June 9
- The Alternative Service Commission was opened.
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2021
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- July 1
- The Information Security Team was established in the Military Service Resources Bureau.
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2022
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- December 31
- The Busan Regional Office of Military Manpower was renamed the Busan Ulsan Regional Office of Military Manpower, and the Central Physical Examination Office was renamed the Central Draft Physical Examination Office.
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2022
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- December 31
- The Busan Regional Office of Military Manpower was renamed the Busan Ulsan Regional Office of Military Manpower, and the Central Physical Examination Office was renamed the Central Draft Physical Examination Office.
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2023
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- December 31
- The Cyber Investigation Division was established in the Military Service Resources Bureau
The Resources Management Division in the Active and Mobilization Bureau was renamed The Overseas Resources Management Division
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