
Navy Officer Rank Chart
Information courtesy of www.navy.mil
Rank Insignia—Navy Commissioned and Warrant Officers
Navy officers wear their rank devices in different places on their uniforms, depending on the uniform. The three basic uniforms and the type of rank devices are: khakis (a working uniform) — pins on the collar; whites — stripes on shoulder boards; and, blues — stripes sewn on the lower sleeve.
Shoulder boards are also worn on bridge coats and reefers. The collar devices are also worn on the right side of the garrison cap (a miniature officer's crest is worn on the left) and slightly larger devices are worn on the epaulets of the raincoat and working jacket.
Additionally, line officers wear a star above the stripes of the shoulder boards or sleeves but staff and warrant officers wear specialty insignia.
Pay Grade |
Rank |
Abbrev. |
Collar |
Shoulder |
Sleeve |
O-1 |
Ensign |
ENS |

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O-2 |
Lieutenant
Junior Grade |
LTJG |

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O-3 |
Lieutenant |
LT |

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O-4 |
Lieutenant
Commander |
LCDR |

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O-5 |
Commander |
CDR |

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O-6 |
Captain |
CAPT |

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O-7 |
Rear Admiral
(lower half) |
RDML |

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O-8 |
Rear Admiral
(upper half) |
RADM |

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O-9 |
Vice Admiral |
VADM |

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O-10 |
Admiral |
ADM |

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O-11 |
Fleet Admiral* |
FADM |

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*The rank of Fleet Admiral has been reserved for war time use only. The last Fleet Admirals were in World War II. Fleet Admirals during that war were Chester W. Nimitz, William D. Leahy, Ernest J. King, and William F. Halsey.
Pay Grade |
Rank |
Abbrev. |
Collar |
Shoulder |
Sleeve |
W-1* |
Warrant Officer |
WO1 |

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W-2 |
Chief
Warrant Officer |
CWO2 |

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W-3 |
Chief
Warrant Officer |
CWO3 |

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W-4 |
Chief
Warrant Officer |
CWO4 |

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W-5* |
Chief
Warrant Officer |
CWO5 |

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* The grade of Warrant Officer (W-1) is no longer in use. W-5 was established in the Navy in 2002.
Specialty Insignia—Staff Corps
Commissioned officers in the Navy are either Line officers or Staff Corps officers. Those of the Staff Corps are specialists in career fields which are professions unto themselves, such as physicians, lawyers, civil engineers, etc. Staff Corps officers wear their specialty insignia on the sleeve of the dress blue uniforms and on their shoulder boards in place of the star worn by Line officers. On Winter Blue and khaki uniforms, the specialty insignia is a collar device worn on the left collar while the rank device is worn on the right.

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Medical Corps |
Dental Corps |
Nurse Corps |
Medical
Service Corps |

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Chaplain Corps
(Christian) |
Chaplain Corps
(Jewish) |
Chaplain Corps
(Muslim) |
Supply Corps |

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Civil Engineer
Corps |
Judge
Advocate General's
Corps |
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Specialty Insignia—LDO and Warrant
Commissioned officers in the Navy are either Line officers or Staff Corps officers. Some have advanced through the enlisted rates and are designated for duty in certain technical fields. These are Limited Duty Officers (LDO) and commissioned warrant officers (CWO). CWOs and Staff corps LDOs wear their specialty insignia on the sleeve of the dress blue uniforms and on their shoulder boards in place of the star worn by Line officers. On Winter Blue and khaki uniforms, the specialty insignia is a collar device worn on the left collar while the rank device is worn on the right.

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Boatswain |
Engineering
Technician |
Repair
Technician |
Ordnance
Technician |

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Diving Officer |
Aviation Boatswain |
Aviation Ordnance
Technician |
Aviation Electronics
Technician |
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Air Traffic
Control
Technician |
Ship's Clerk |
Data Processing
Technician |
Cryptologic
Technician |

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Aerographer |
Security
Technician |
Aviation Maintenance
Technician |
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