In Warlords, Phobos is comparable to Ellis Island for Mars with its surface being home to many decent sized colonies and space ports (making use of the close proximity of Phobos to Mars) that facilitate migrants, travelers, and citizens, to and from Mars.
One issue though: Phobos is falling apart. From what I can tell Mars is slowly ripping it apart and Phobos itself isn't a solid rock which doesn't help.
The Hegemony has already begun to settle Phobos and would rather try and keep the Moon intact then try and relocate.
Now how would they go about this? The main issues are:
- Structural integrity of Phobos
- Martian gravity tearing it apart (I don't know if this can be solved simply by fixing number one)
Note: in my head I was thinking of somehow slowly filling in the cavities between rocks with, well something, and then on the surface having massive (probably hydraulic) pumps keeping it compressed.