Roosevelt Military Base was a UNSC military facility near the Outer colonies. Roosevelt Military Base was noted to be in the vicinity of a Black Market Bazaar, which was shut down by the SPARTAN-IIs, a "cover" mission performed in order to inconspicuously bring the Spartans closer to the Damascus Testing Facility and receive their highly secret first set of MJOLNIR Powered Assault Armor.^[1]

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