[1] He is assisted by the Chief of Staff of the Army (Sri Lanka).
Organized and controlled by the Army General Staff at Army HQ, various formations are raised from time to time to suit various security requirements and operation in the country and overseas.
The Army at present has deployed one field corps (1 Corps) and five regional commands known as Security Forces Headquarters, which are the Security Forces Headquarters Jaffna (SFHQ-J), Wanni (SFHQ-W), East (SFHQ-E), Mullaitivu (SFHQ-MLT) and South (SFHQ-S).
Each brigade is commanded by an officer in the rank of Brigadier and has a number of Infantry battalions, support arms (Artillery, Engineers and Signals) and support services (Service Corps, Engineering Services, Ordnance Corps, Electrical and Mechanical Engineers) under assigned to it.
Following is a list of all combat formations and their commands of the Sri Lanka Army.