The Kenya Defence Forces (KDF) are the armed forces of the Republic of Kenya. They are made up of the Kenya Army, Kenya Navy, and Kenya Air Force. The current KDF was established, and its composition stipulated, in Article 241 of the 2010 Constitution of Kenya; it is governed by the KDF Act of 2012. Its main mission is the defence and protection of the sovereignty and territorial integrity of Kenya, recruitment to the KDF is done on yearly basis. The President of Kenya is the commander-in-chief of the KDF, and the Chief of Defence Forces is the highest-ranking military officer, and the principal military adviser to the President of Kenya.