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About: Ballistic Missile Early Warning System     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatAircraftRadars, within Data Space : dbpedia.org associated with source document(s)

Type: Thingplaceyago:WikicatAntennasyago:WikicatColdWarMilitaryComputerSystemsOfTheUnitedStatesyago:WikicatWarningSystemsgeo:SpatialThingarchitectural structureyago:Antenna102715229yago:Artifact100021939yago:ComputerSystem103085915yago:Device103183080yago:ElectricalDevice103269401yago:Instrument103574816yago:Instrumentality103575240yago:MeasuringInstrument103733925yago:Object100002684yago:PhysicalEntity100001930yago:Radar104039848military structureyago:System104377057yago:Whole100003553yago:WikicatAircraftRadars New Facet based on Instances of this Class

The RCA 474L Ballistic Missile Early Warning System (BMEWS, "474L System", Project 474L) was a United States Air Force Cold War early warning radar, computer, and communications system, for ballistic missile detection. The network of twelve radars, which was constructed beginning in 1958 and became operational in 1961, was built to detect a "mass ballistic missile attack launched on northern approaches [for] 15 to 25 minutes' warning time" also provided Project Space Track satellite data (e.g., about one-quarter of SPADATS observations).