The Military of Sierra Leone, officially the Republic of Sierra Leone Armed Forces (RSLAF), are the unified armed forces of Sierra Leone responsible for the territorial security of Sierra Leone's border and defending the national interests of Sierra Leone within the framework of its international obligations. The armed forces were formed after independence in 1961, on the basis of elements of the former British Royal West African Frontier Force present in the country. The Sierra Leone Armed Forces consists of around 15,500 personnel, comprising the largest Sierra Leone Army, the Sierra Leone Navy and the Sierra Leone Air Wing.