Template:FOF-1 Base Segundo Terra was a UNSC military base located near Mexico City on the North American continent of Earth. Segundo Terra was a major facility for the UNSCDF of the region.
In 2552, during The Second Battle of Earth, SPARTAN-104, SPARTAN-058, and SPARTAN-043 used this base as a staging point to attack the Covenant incursions on Havana and the Yucatan Peninsula.