Command
Communications
Engineering
Operations
Security
Science
Medical
Commissioned Starfleet Ranks
(Requires Fleet Membership, and Officer Exams)
Fleet Admiral (O12)
Admiral (O11)
Vice Admiral (O10)
Rear Admiral (O9)
Commodore (O8)
Fleet Captain (O7)
Captain (O6)
Commander (O5)
Lieutenant Cmdr (O4)
Lieutenant (O3)
Lieutenant JG (O2)
Ensign (O1)
Provisional Commissioned Ranks
(For Non-Fleet “Tydirium” Members)
Commander (PO5)
Lieutenant Cmdr (PO4)
Lieutenant (PO3)
Lieutenant JG (PO2)
Ensign (PO1)
Crewman (E0)
Starfleet Academy Cadet Ranks
4th Year (C4)
3rd Year (C3)
2nd Year (C2)
1st Year (C1)
Freshman (C0)