This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
NSAFornsatEchelon. en Map from NSA presentation showing ground stations used to intercept foreign communications satellites under the ECHELON program blogspot html derived from Brasilian media July National Security Agency NSA other versions PDUSGov Mass Surveillance Disclosures Echelon National Security Agency United States