Flag officer rank insignia
|Rank Title||Fleet admiral||Admiral||Vice admiral||Rear admiral||Commodore|
Note: Flag officers wear their rank insignia on both collars.
Line officer rank insignia
|Rank Title||Fleet captain||Captain||Commander||Lieutenant commander||Lieutenant||Lieutenant (junior grade)||Ensign||Midshipman|
Notes: Line officers wear their rank insignia on the right collar.
Enlisted rate insignia
|Duty Uniform Collar Insignia|
|Dress Uniform Collar Insignia|
|Rank 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: E7, E8 and E9 rates wear a single “hollow” pip on the right collar of their duty uniform. All crew wear their rate insignia on the right collar of their dress uniform only. 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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