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.
The Army, Navy, and Marine Corps were established in 1775, in concurrence with the American Revolution. The War Department was established in 1789, and was the precursor to what is now the Department of Defense.The Department of the Navy, was founded in 1798.The Coast Guard (part of Homeland Security in peacetime), can trace it's history back to 1790.Congress, in 1947, established a civilian, Cabinet-level Secretary of Defense to oversee an also newly created National Military Establishment.he Department of the Navy, was founded in 1798. The Coast Guard (part of Homeland Security in peacetime), can trace it's history back to 1790. Congress, in 1947, established a civilian, Cabinet-level Secretary of Defense to oversee an also newly created National Military Establishment.