Damascus Materials Testing Facility
From Halopedia, the Halo wiki
Summary
UNSC base. The Damascus Materials Testing Facility is located in the Chi Ceti system on planet Chi Ceti IV. This top-secret base is where the Spartan soldiers were relocated for their final stage of training and the inclusion of their MJOLNIR Mark V Battle Armor. Though it was only manned by three technicians, it had a curious feature, which was that a dozen AIs could operate in the facility in close proximity to one another, which is normally impossible for technical reasons.