🌐EnglishEnglishEspañolPortuguêsEntityQ5816628· pop 6· linked from 426 articlesEnvironmental Research Satellitefamily of artificial satellites launched in the 1960s run by the USAFAvailable in 5 languagesEspañolPortuguêsGalicianHausavia Wikidata sitelinks · CC0ConnectionsPioneer 6, 7, 8, and 9EntitySECOREntityCategories1962 in spaceflight1963 in spaceflight1964 in spaceflight1965 in spaceflight1966 in spaceflight1967 in spaceflight1968 in spaceflight1969 in spaceflight1971 in spaceflightMicrosatellitesSatellites of the United States Air Force