The Armed Forces of the Philippines (AFP) are the military forces of the Philippines. It consists of three main service branches; the Army, the Air Force, and the Navy. The President of the Philippines is the Commander-in-Chief of the AFP and forms military policy with the Department of National Defense, an executive department acting as the principal organ by which military policy is carried out, while the Chief of Staff of the Armed Forces of the Philippines serves as the overall commander and the highest-ranking officer in the AFP.