The Nigerian Armed Forces (NAF) are the combined military forces of Nigeria. It consists of three uniformed service branches: the Nigerian Army, Nigerian Navy, and Nigerian Air Force. The President of Nigeria functions as the commander-in-chief of the armed forces, exercising his constitutional authority through the Ministry of Defence, which is responsible for the management of the military and its personnel. The operational head of the NAF is the Chief of the Defence Staff, who is subordinate to the Nigerian Defence Minister. With a force of more than 223,000 active personnel, the Nigerian military is one of the largest uniformed combat services in Africa.[5] According to Global Firepower, the Nigerian Armed Forces are the fourth-most powerful military in Africa, and ranked 35th on its list internationally.[6]