🌐EnglishEnglishDeutschEspañolFrançaisРусский日本語EntityQ5251374· pop 5· linked from 64 articlesDefense Data Networkcomputer networking effort of the United States Department of Defense from 1983 through 1995Available in 4 languagesEspañolDeutschРусскийvia Wikidata sitelinks · CC0Connectionswireless communicationEntityInformation AgeEntityCategoriesInternet accessTelecommunications equipment of the Cold WarUnited States Department of Defense information technologyWide area networks