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The AN/FSQ-8 Combat Control Central was a United States Air Force computerized command and control system. Several of the centrals were used in the Semi-Automatic Ground Environment (SAGE) air defense network for Cold War ground-controlled interception to give "each combat center the capability to coordinate defense for the whole nation". [1]
The total consisted of 47 gap-filler stations, 75 Permanent System radars, 39 semimobile radars, 19 Pinetree stations,…1 Lashup[-era radar and a] single Texas Tower". [ 3 ] : 223 SAGE System groundbreaking was at McChord Air Force Base for DC-12 in 1957 [ 6 ] where the "electronic brain" began arriving in November 1958 [ 7 ] for the Seattle ...
The missile site and squadron were activated on 1 June 1960, and missiles were operational on 1 December 1961. In January 1962 the RF-62E gap filler radar site at Brookfield Air Force Station in Ohio became a "major off-base…installation" of the Niagara Falls site, transferred from Wright-Patterson AFB. [2]
The system was deployed in the late 1950s and 1960s at unmanned radar facilities (called "Gap Fillers") designed to fill the low-altitude gaps between manned long-range radar stations. Gaps in coverage existed due to the curvature of the Earth, mountains, hills, valleys, rivers, and so forth [ clarification needed ] .
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The H-1B visa program allows 65,000 highly skilled workers to immigrate to the US each year to fill specific jobs and grants another 20,000 visas to such workers who have received an advanced ...
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A retracted gap filler can be seen at the bottom of the image along the platform edge, with additional gap fillers visible in the distance. The Interborough Rapid Transit Company 's first cars were built with only two doors on each side, at the extreme ends of the car, lining up with the curved platforms so as not to leave a wide gap between ...