SWTOR Conquest Commanders guide with locations of Conquest Commanders you can kill for Planetary Conquest in patch 2.9. Most of the info are taken from camelpocket’s thread on the official forums.
Guild Flagship and Conquest
While the Planetary Conquest stuff isn’t active on the PTS yet, you can get a sneak peak at some of the items you can gain access to with Guild Conquest. Items includes an air strike ability and walkers.