The UKUSA Community is an alliance of English-speaking nations for the purpose of gathering intelligence via signals intelligence. UKUSA is made up of:

• the United States, via the National Security Agency
• the United Kingdom, via Government Communications Headquarters (GCHQ)
• Australia, via Defence Signals Directorate
• Canada, via the Communications Security Establishment
• New Zealand, via Government Communications Security Bureau

The primary purpose of UKUSA is to service the ECHELON monitoring system.

Further reading

• Richelson, Jeffrey T.; Ball, Desmond (1985). The Ties That Bind: Intelligence Cooperation Between the UKUSA Countries. London: Allen & Unwin.
• Hager, Nicky, (1996). Secret Power—New Zealand's Role in the International Spy Network. Nelson, New Zealand: Craig Potton Publishing.