There are two US military bases currently in Australia. One of them is operated by members of the United States intelligence community and another is operated by the United States Navy.
The Army, Air Force, Marines, and Coast Guard do not have bases in Australia, learn more about each base below:
Intelligence
Pine Gap
Location: Alice Springs, Australia

In Use: 1966-Present
Overall Mission: Since the Cold War, Pine Gap has served as a surveillance base.
It was known to the public as a “space research center”.
However, it was responsible for monitoring the signals of satellite and intelligence signals including microwave emissions, anti-missile, and anti-aircraft radars among others.
Units Stationed:
- Central Intelligence Agency (CIA)
- National Security Agency (NSA)
- US National Reconnaissance Office (NRO)
Official Site: None
Related Article – Air Force Bases in the US
US Navy Base in Australia
Naval Communication Station Harold E. Holt
Location: Exmouth, Western Australia, Australia

In use: 1967-Present
Overall Mission: The only other US military base in Australia is the Naval Communication Station Harold E. Holt, located in Western Australia.
This base provides low frequency radio transmission communications to the United States Navy and the Royal Australian Navy.
This was a communication hub for ships and fleets located in the western Pacific and eastern Indian oceans.
Units Stationed:
N/A
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