|There is more information available on this subject at Borneo on the English Wikipedia.|
Borneo is an island in Southeast Asia.
A city on Borneo hosts the Borneo Space Tether, which managed to survive the Human-Covenant War. Borneo is also home to a UNSC firebase, at which future ONI operative Mason Hundley attended secondary school.
- Borneo Space Tether
- Unidentified UNSC firebase