This is just so everybody knows what positions will be available in the New Republic. I'll also add a little bit of what each position can do.
Chief of State/Supreme Commander: Oversees all levels of government. Can declare war unilateraly if properly provocked.
Advisory Council Members(4): Help manage Senate and government. Can take command of a battle group to oversee specific campaign or sim. Is capable of removing Supreme Commander/Chief of State with unanimous vote.
Senators: Provide legislature, conduct treaties, requires majority vote to declare war.
Military Officers: Commands various military units.