Well, this board isn't very active so I'll give you a little help. Here is a club called "Republic of Independent Systems." The currently play Star Wars Battlefront, Star Wars Battlefront 2, and Star Wars Republic Commando. The program they use to organize everything is very strict, so I know they are active. I'd suggest going there, as they do not have but 19 members, and could probably use 5 more.
They use a structure and ranking system. And there will be requirements for each one. I suggest that you enlist, get your assignment, and contact you platoon leader or whatever on xfire and talk to him.