It sounds like a blast!
I've done one of these before (In-fact, I made one of these types of rps before)
And it was fun! I must warn you though, some players can get a bit... Op. Do you have anything to stop these sorts of factions?
Also, what about new developing tech? How would that work out...
New Factions are Discovered through-out the galaxy.
Along a vast communication network, reports of newer Factions were given to the alliance. After a brief discussion, they extend their greeting via an invitation to attend and discuss various matters regarding the current courses of action...