From Tubes To Transistors. From UNIVAC to the latest desktop PCs, computer evolution has moved very rapidly. The first-generation computers were known for using vacuum tubes in their construction. The generation to follow would use the much smaller and more efficient transistor. From Tubes...
Clement Attlee continued this arrangement when he came to power in 1945 but appointed a separate Minister of Defence for the first time in 1947. In 1964, the present form of the Ministry of Defence was established, unifying the War Office, Admiralty, and Air Ministry. The records of the War Office are kept by The National Archives under their code WO.
United States History. Secretaries of War. The War Department was an executive department of the United States government from 1789 to 1947, when its name was changed and it was reorganized. It was created to supervise all military functions and aspects of national defense. In 1798, Congress separated the Navy from the Army, which created a new Department of the Navy. The War Department continued to supervise the Army. Both department secretaries were answerable to the president, were members of his Cabinet, and cooperated in joint committees and conferences. Henry Knox.