SpecOps facility
The Star Wars Wiki of fan invention.
The SpecOps facility was the only facility in the galaxy used to train the Sith SpecOps.
Located on an unknown ice world deep within the Unknown Regions, the SpecOps facility had state-of-the-art equipment and training regimes.
It was the "birthplace" of all SpecOps including Commander 001 and Commander 039; and was used by Commander 313 as his base of operations during the Successors War.
