Home›Military equipment of the United States›High Frequency Global Communications System🌐EnglishEnglishDeutschTürkçeРусскийفارسیEntityQ4139926· pop 6· linked from 9 articlesHigh Frequency Global Communications SystemU.S. Air Force shortwave transmitter networkAvailable in 5 languagesDeutschРусскийTürkçeفارسیvia Wikidata sitelinks · CC0Connectionssingle-sideband modulationEntityGreenlandConceptCategoriesMilitary equipment of the United StatesUnited States nuclear command and control