| − | From the birth of the [[United States]] up till 1947 the branch of the federal government that dealt with [[military]] matters was called the War Department which was headed by the Secretary of War, a cabinet member. The [[Department of Defense]] was created along with the position of [[Secretary of Defense]] by the National Security Act of 1947. So what was the War Department and Secretary of War became the Department of Defense and the Secretary of Defense respectively. <ref>http://www.history.army.mil/books/Sw-SA/SWSA-Fm.htm</ref> | + | From 1789 until 1947 the branch of the federal government that dealt with [[military]] matters was called the War Department which was headed by the Secretary of War, a cabinet member. The [[Department of Defense]] was created along with the position of [[Secretary of Defense]] by the National Security Act of 1947. The War Department functions were taken over by the Department of the Army and the Department of the Air Force. <ref>http://www.history.army.mil/books/Sw-SA/SWSA-Fm.htm</ref> |