The Five Eyes: The International Syndicate That Spies on the Entire World by Patrick Henningsen | New Dawn Magazine 177 (Nov-Dec 2019)
The operational core of this digital syndicate is known as the Five Eyes alliance. Code named FVEY, it represents an international signals intelligence (SIGINT) and communications intelligence (COMINT) gathering agreement between the United States, United Kingdom (UK), Canada, Australia and New Zealand.
This article has references and mentions a documentary film Allies (1983).
Patrick Henningsen: 21stcenturywire.com
Canadian Liberty site information on: Five Eyes