This base is not replacing Trenton. Igiss said no. It's going in orbit of California Minor.
Also, apologies for being unclear Luis, the model is not symmetrical, so it would be impossible to make the ring spin. You need to seperate a quarter of the base and then mirror it twice. When I attempted to do so, the way the faces had either been made or welded together meant I was unable to split it effectively which led to double faces.
This points out my inexperience in cutting faces in two and deleting double faces as much as it shows the symmetrical flaws in the model, but even if I had deleted the extra faces, the model no longer lined up to itself, again due to symmetry issues.