The Armenian Army, Air Force, Air Defence, and Border Guard comprise the four branches of the Armed Forces of the Republic of Armenia. The Armenian military was formed after the collapse of the Soviet Union in 1991 and with the establishment of the Ministry of Defence in 1992. The Commander-in-Chief of the military is the President of Armenia, Serzh Sargsyan. The Ministry of Defence is in charge of political leadership, currently headed by Colonel General Seyran Ohanyan, while military command remains in the hands of the General Staff, headed by the Chief of Staff, who is currently Colonel General Yuri Khatchaturov.