Semi-Automatic Ground Environment (SAGE) system

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:surface-to-air_missile
gptkbp:activeYearsStart	1958
gptkbp:component	gptkb:AN/FSQ-7_computer gptkb:BOMARC_missile interceptor aircraft radar stations direction centers
gptkbp:cost	over $8 billion (1950s dollars)
gptkbp:decommissioned	1983
gptkbp:developedBy	gptkb:MIT_Lincoln_Laboratory gptkb:United_States_Air_Force
gptkbp:headquarters	gptkb:Hanscom_Air_Force_Base
https://www.w3.org/2000/01/rdf-schema#label	Semi-Automatic Ground Environment (SAGE) system
gptkbp:influenced	gptkb:ARPANET modern air defense systems
gptkbp:location	gptkb:North_America
gptkbp:notableFor	real-time data processing first large-scale computer network 24/7 real-time operation early use of CRT displays largest computer ever built (AN/FSQ-7) networked radar data use of digital computers in air defense
gptkbp:numberOfCombatCenters	3
gptkbp:numberOfDirectionCenters	23
gptkbp:operationalPeriod	1950s 1960s 1970s
gptkbp:purpose	air defense coordination aircraft detection
gptkbp:relatedTo	gptkb:Cold_War gptkb:North_American_Aerospace_Defense_Command NORAD
gptkbp:replacedBy	gptkb:Joint_Surveillance_System
gptkbp:status	decommissioned
gptkbp:technology	digital communication magnetic core memory modems vacuum tube computers light gun input device
gptkbp:usedBy	gptkb:Canada gptkb:United_States
gptkbp:bfsParent	gptkb:Texas_Towers gptkb:North_Truro_Air_Force_Station
gptkbp:bfsLayer	7