The Organisational structure of the MOD is shown below. The President is the Commander-in-Chief of the Republic of Sierra Leone Armed Forces, while the Minister of Defense and Director General of Defence exercises authority, direction, and control over the Ministry of Defence. The Oranisation of the Chief of Defence Staff (CDS), Civil and Military Advisers provide military and strategic defence policy within the MOD. The major elements of these forces are the Joint Force Command, comprising of the Land, Air and Maritime. Other Military Departments include Personnel and Training, Operations and Plans, Support and Logistics and Gender and Equal Opportunity. Each of these Departments have sub-military Divisions including for example, under Joint Force Command, the Brigades and Battalions & Units; Joint Logistics Units under Support and Logistics.

Civilian/Military MOD
The revised MOD Establishment requires Minister of Defence (MD) or Deputy Minister of Defence (DMD) with the Director General of Defence (DG) who is responsible to MD/DMD and to provide direction to the Director of Military Audit (DOMA), Gender Adviser and Legal Adviser.This establishment also caters for Deputy Secretary (DS) Finance and Admin who is responsible to the DG,and provides direction and oversees the departments that he supervises. Also DS Policy and Strategy is directly responsible to DG and he provides direction and oversight to the departments under his purview.The DAFA is directly responsible to MD/DMD and DG for direction and guidance. Additionally, DAFA provides liaison task in all matters relating to the services on behalf of the RSLAF. The reviewed MOD Establishment is largely composed of civilian staff with limited military component that provides oversight and accountability to develop and deliver the functions of RSLAF.