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.
During World War I, the War Department was given supervision over the newly created National Guard, and under the National Defense Act of 1916, the officersâ reserve corps was created within the department. This act also established the office of Assistant Secretary of War to coordinate the procurement of munitions.he NME was renamed the Department of Defense (DoD) in 1949. In the succeeding years of the Cold War, the DoD (commonly referred to as the Pentagon) grew into the largest of all U.S. governmental institutions as American military operations became tantamount in U.S.-Soviet jockeying for international dominance.