Flag officer rank insignia
| Starfleet | F-5 | F-4 | F-3 | F-2 | F-1 |
|---|---|---|---|---|---|
| Class A Sleeve Insignia | |||||
| Class A/B Epaulette Insignia | |||||
| Rank Title | Fleet admiral | Admiral | Vice admiral | Rear admiral | Commodore |
Note: Flag officers wear their rank insignia on the cuffs and epaulettes of their class A tunics, or the epaulettes of class B. Their uniforms are decorated with additional braid.
Line officer rank insignia
| Starfleet | O-7 | O-6 | O-5 | O-4 | O-3 | O-1 | O-C |
|---|---|---|---|---|---|---|---|
| Class A Sleeve Insignia | |||||||
| Class B Epaulette Insignia | |||||||
| Rank Title | Fleet captain | Captain | Commander | Lieutenant commander | Lieutenant | Ensign | Midshipman |
Notes: Line officers wear their rank insignia on the cuffs of their class A tunics, or the epaulettes of class B. The rank of lieutenant (junior grade) was abolished as part of the 2272 reorganisation, with all existing holders of the rank being promoted to full lieutenant.
Enlisted rate insignia
| Starfleet | E-9 | E-8 | E-7 | E-6 | E-5 | E-4 | E-3 | E-2 | E-1 |
|---|---|---|---|---|---|---|---|---|---|
| Epaulette Insignia | |||||||||
| Rate Title | Master chief petty officer | Senior chief petty officer | Chief petty officer | Petty officer first class | Petty officer second class | Petty officer third class | Crewman first class | Crewman second class | Crewman third class |
Notes: Rate insignia for all rates are worn on epaulettes. Petty officers and chiefs are usually addressed by their rating, a combination of their rate and job title, i.e. “Transporter Specialist 1st class” or “Senior Chief Armsman”.
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