Colonial Insurgent Army

The Colonial Insurgent Army was an organization. Formed in by officers of the defunct, by its high point in , the organization had nearly half a million fighters under arms, and many supporters on the few surviving. However, with the advent of the, the organization began a rapid decline, however, fighters of the Insurgent Army were responsible for the deaths of SPARTAN-IV operators.

However, in, with the fall of to the , the headquarters of the organization was also destroyed, and with the loss of morale and organization, the member cells of the Insurgent Army fell apart, however, there were still continuation organizations in the 2560's, formed by officers from the defunct Insurgent Army.