Military Affairs Security is headed by Major General Kyaw Swe.
| Office Name | Head | Term |
| Directorate of Military Intelligence | Colonel Lwin | 1959–1969 |
| Directorate of Military Intelligence | Colonel Chit Khin | 1969–1972 |
| Directorate of Military Intelligence | Brigadier General Tin Oo | 1972–1978 |
| Directorate of Military Intelligence | Colonel Aung Htay | 1978–1980 |
| Directorate of Military Intelligence | Colonel Myo Aung | 1980–1982 |
| Directorate of Military Intelligence | Colonel Kan Nyunt | 1982–1983 |
| Directorate of Military Intelligence | Colonel Aung Koe | 1983 |
| Directorate of Defence Service Intelligence | Lieutenant General Khin Nyunt | 1984–2004 |
| Directorate of Military Affairs Security | Lieutenant General Myint Swe | 2004–2005 |
| Directorate of Military Affairs Security | Lieutenant General Ye Myint | 2005–2010 |
| Directorate of Military Affairs Security | Major General Kyaw Swe | 2010–present |