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Noun Named Entity
Categories: 1962 in spaceflight, 1963 in spaceflight, Reconnaissance satellites of the United States, Military equipment 1960–1969, All Wikipedia articles written in American English
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Galactic Radiation and Background  GRAB  GRAB-1  GRAB-3b
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Galactic Radiation and Background was the first successful United States orbital surveillance program, comprising a series of five Naval Research Laboratory electronic surveillance and solar astronomy satellites, launched from 1960 to 1962. Wikipedia
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Galactic Radiation and Background was the first successful United States orbital surveillance program, comprising a series of five Naval Research Laboratory electronic surveillance and solar astronomy satellites, launched from 1960 to 1962. Wikipedia
First US orbital surveillance program Wikidata
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