- Jan. 1, 2023
Chief Directorate for CWMD - 2 Directorates + 11 Branches
- Jan. 1, 2022
Millitary Space Branch Organization - 4 Chief Directorates + 14 Directorates + 12 Offices·Division + 1 Center + 1 Group + 92 Branches
- Jun. 11, 2019
Transfer of Office of Operational Readiness Inspection to Joint Chiefs of Staff - 4 Chief Directorates + 14 Directorates + 12 Offices·Division + 1 Center + 1 Group + 91 Branches
(Direct Control under MND → JCS Special Staff Directorate)
- Jan. 1, 2019
Joint Chiefs of Staff reorganization - 4 Chief Directorates + 14 Directorates + 12 Offices·Division + 1 Center + 1 Group + 86 Branches
- Jan. 1, 2017
Joint Chiefs of Staff reorganization - 4 Chief Directorates + 14 Directorates + 12 Offices·Division + 1 Center + 1 Group + 87 Branches
- Jan. 1, 2016
Joint Chiefs of Staff reorganization - 4 Chief Directorates + 14 Directorates + 16 Offices·Division + 84 Branches
- Jan. 1, 2013
Joint Chiefs of Staff reorganization - 4 Chief Directorates + 14 Directorates + 14 Offices·Division + 88 Branches
- Mar. 1, 2011
Joint Chiefs of Staff reorganization - 4 Chief Directorates + 4 Offices
- Apr. 1, 2009
Joint Chiefs of Staff reorganization - 3 Chief Directorates + 4 Offices
- Jan. 1, 2006
Joint Chiefs of Staff reorganization - 4 Chief Directorates + 2 Staff Directorates + 4 Offices
(Augmentation: 20 Branches, Reduction: 2 Branches)
- Jun. 30, 2001
Joint Chiefs of Staff reorganization - 4 Chief Directorates + 2 Staff Directorates + 4 Offices