Halo Nation

Outpost C9

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Voi Plains

The plains that surround Outpost C9.

Outpost C9 is a UNSC base on the coast, near Mombasa, Kenya on Earth.[1]


The base was created long ago, but was re-purposed during the Battle of Earth, right after the New Mombasa Slipspace Event.[2]


Subordinate UnitsEdit

Numerous units or small elements of units were stationed at Outpost C9.



  1. Halo 3 - Map: High Ground
  2. Halo 3 - Description: High Ground

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