"[4] As of January 2012, the facility supported the following tenant commands: In 1971, the local population of Diego Garcia, the Chagossians, was forcibly expelled from the island to make way for the base.

[6] Naval Support Facility Diego Garcia, was established as the senior United States Navy command on the island on 1 October 1977.

[7] In 1982, construction activities were transferred from the Seabees to a consortium of civilian contractors, Raymond International, and Brown and Root and Molem, a joint venture.

[11] The Strategic Air Command began deploying Boeing B-52 Stratofortress bombers and aerial refueling aircraft to the newly completed airfield facilities in 1987.

[12] Following the Iraqi invasion of Kuwait in August 1990, three ships of COMPSRON 2 sortied, delivering a Marine Expeditionary Brigade to Saudi Arabia for participation in the Gulf War.

[22][23] Serco Inc., of Herndon, Virginia, operates and maintains the Ground-based Electro-Optical Deep Space Surveillance (GEODSS), which tracks deep-space satellites.

[24][25] Recent construction in support of US military activities on Diego Garcia has included: Supplementary work at the facility includes Poole Fire Protection of Olathe, Kansas, testing and inspecting fire protection systems (June 2020 – June 2025);[30] Jacobs/B&M JV architect-engineer services, specifically design, engineering, specification writing, cost estimating (July 2020 – July 2025);[31] and InSynergy Engineering Inc. utility system studies (September 2020 – September 2025).