The militia of the state shall be divided into the organized militia, the retired list and the unorganized militia, which together shall constitute the state military forces. The organized militia shall be composed of: An army national guard and an air national guard which forces, together with an inactive national guard, shall comprise the Alabama National Guard; the Alabama Naval Militia; and the Alabama State Guard, whenever any such force is organized by the Governor pursuant to existing laws. The National Guard, army or air, shall consist of such organizations and units as the Commander in Chief may from time to time authorize to be formed, all to be organized in accordance with the laws of the United States affecting the National Guard, army and air, and the regulations issued by the appropriate Secretary of the Department of Defense.