#ECHELON
2 entries tagged ECHELON.
Organizations (1)
- GCHQ GCHQ (Government Communications Headquarters) is the UK's signals intelligence agency, based in Cheltenham, whose partnership with the NSA under the UKUSA Agreement forms the core of the Five Eyes intelligence architecture; it is referenced throughout the vault's signals intelligence, Iran-Contra, and Cold War subjects.
Programs (1)
- UKUSA Agreement The UKUSA Agreement (1946) is the signals intelligence treaty between the United States, United Kingdom, and later Australia, Canada, and New Zealand that established the Five Eyes intelligence sharing alliance; it is the legal and institutional backbone of ECHELON and all subsequent mass surveillance architectures documented in this vault.