🌐EnglishEnglishDeutschFrançaisItalianoNederlandsPolskiPortuguêsEntityQ821834· pop 8· linked from 167 articlesDefense Satellite Communications Systemdefense satellite communications projectAvailable in 7 languagesFrançaisDeutschPortuguêsItalianoHebrewPolskivia Wikidata sitelinks · CC0ConnectionsSTS-51-JEntityAntarcticaEntityCategoriesCommunications satellite constellationsEquipment of the United States Space ForceMilitary communications of the United StatesMilitary equipment introduced in the 1960sMilitary satellites of the United StatesSpacecraft launched by Atlas rocketsSpacecraft launched by Delta IV rocketsSpacecraft launched by the Space ShuttleSpacecraft launched by Titan rockets