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Military and Defense Computers

Early computers built to serve the armed forces and defense research. The Elliott 152 was developed for naval gunnery control, the UNIVAC 1102 was designed for the United States Air Force, and the BRLESC was built for the Ballistic Research Laboratories. The Elliott 152 was a vacuum tube fixed-program computer built at the Elliott Brothers laboratory in Borehamwood, and the UNIVAC 1102 was designed by Engineering Research Associates for the Arnold Engineering Development Center. The BRLESC I was one of the last of the first-generation electronic computers, and SAGE directed and controlled the NORAD response to a possible Soviet air attack.

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Military and Defense Computers
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Elliott 152 - Wikipedia
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The Elliot 152 was a vacuum tube fixed-program computer developed for naval gunnery control at the Elliott Brothers laboratory in Borehamwood, Hertfordshire.
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UNIVAC 1102, Wikipedia
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The UNIVAC 1102 or ERA 1102 was designed by Engineering Research Associates for the United States Air Force's Arnold Engineering Development Center in Tullahoma, Tennessee in response to a request for proposal issued in 1950 and awarded to ERA in October of 1952.
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BRLESC, Wikipedia
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The BRLESC I (Ballistic Research Laboratories Electronic Scientific Computer) was one of the last of the first-generation electronic computers. It was built by the United States Army's Ballistic Research Laboratory (BRL) at Aberdeen Proving Ground with assistance from the National Bureau of Standards (now the National Institute of Standards and Technology), and was designed to take over the computational workload of EDVAC and ORDVAC, which themselves were successors of ENIAC. It began operation in 1962.
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Wikipedia: Semi-Automatic Ground Environment
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SAGE directed and controlled the NORAD response to a possible Soviet air attack, operating in this role from the late 1950s into the 1980s.
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