The facility has since expanded to become a major communications network management center, serving as the primary hub of the Diplomatic Telecommunications Service.
In 1998, the center was reported to relay more than 143,000 official records and 90,000 data messages to diplomatic posts and foreign affairs agencies each day.
The BIMC also houses the Foreign Affairs Data Processing Center, which moved into a 99,000 square feet (9,200 m2) addition to the complex in 1991.
[2] The BIMC is located next door to the headquarters of the U.S. Special Collection Service, a joint Central Intelligence Agency–National Security Agency eavesdropping program.
[4] According to The Week, when SCS personnel are deployed abroad, they often work ostensibly as members of the Diplomatic Telecommunications Service.