This page will serve as an educational tool for Starfleet officers to recognize the ranks of other officers on sight. This guide will show insignia for ranks in appropriate divisions, using TNG-era style ranks and division colors. TOS-era ranks will be added later. Ranks are displayed highest to lowest. Click images for full-size art, or click the name of any rank for a description.
This page is currently undergoing a massive update. Please check back.
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O-10: Admiral (ADM)
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O-9: Vice Admiral (VADM)
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O-8: Rear Admiral Upper Half (RADM)
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O-7: Rear Admiral Lower Half (RDML) / Commodore (CDRE)
It is unclear how long Starfleet used “Commodore” as a rank, as opposed to “Rear Admiral Lower Half”, which has resulted in our decision to keep with current US Navy usage of the term and 1-star rank position, since the US Navy has at different times treated Commodore as both a rank and a title, the title being kept for life. In some instances, it almost seems like a more permanent form of Fleet Captain.
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Commissioned Officers:
Historically, this was a title referring to an officer of rank Captain who served aboard a sailing ship as an Admiral’s chief of staff. In such cases, this captain may be referred to as Fleet Captain or First Captain, while another Captain would be aboard to command the ship, referred to as the skipper or Second Captain.
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O-6: Captain (CAPT)
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O-5: Commander (CMDR)
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O-4: Lieutenant Commander (LCDR)
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O-3: Lieutenant (LT)
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O-2: Lieutenant Junior Grade (LTJG)
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O-1: Ensign (ENS)
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Cadets:
C-3: Cadet Grade 3 (CAD3)
C-2: Cadet Grade 2 (CAD2)
C-1: Cadet Grade 1 (CAD1)
Enlisted:
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E-9: Master Chief Petty Officer (MCPO)
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E-8: Senior Chief Petty Officer (SCPO)
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E-7: Chief Petty Officer (CPO)
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E-6: Petty Officer 1st Class (PO1)
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E-5: Petty Officer 2nd Class (PO2)
E-4: Petty Officer 3rd Class (PO3)
E-3: Crewman 1st Class (CRM1)
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E-2: Crewman 2nd Class (CRM2)
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E-1: Crewman 3rd Class (CRM3)