URLNet - NSANet

Behind the Green Door – Secure communications room with separate computer terminals for access to SIPRNet, GWAN, NSANet, and JWICS NSANet stands for National Security Agency Network and is the official NSA intranet. It is a classified network, for information up to the level of TS/SCI to support the use and sharing of intelligence data between NSA and the signals intelligence agencies of the four other nations of the Five Eyes partnership. The management of NSANet has been delegated to the Central Security Service Texas (CSSTEXAS). https://en.wikipedia.org/wiki/National_Security_Agency#NSANet

Joint Worldwide Intelligence Communications System

The Joint Worldwide Intelligence Communication System (JWICS, JAY-wiks) is the United States government's secure intranet for the storage of top secret and sensitive compartmented information, primarily for use in intelligence. It is the most secure of three separate router networks operated by the U.S. government for the handling and transmiss...

Five Eyes

The Five Eyes (FVEY) is an Anglosphere intelligence alliance comprising Australia, Canada, New Zealand, the United Kingdom, and the United States. These countries are party to the multilateral UKUSA Agreement, a treaty for joint cooperation in signals intelligence. Informally, "Five Eyes" can refer to the group of intelligence agencies of these ...