In the Navy pay grades for officers are:
- W-2 to W-5 for Chief Warrant Officers. Chief Warrant Officers (CWO2-CWO5) are Commissioned Officers; only Warrant Officer (W-1) is not a commissioned officer
- O-1 to O-10 for Unrestricted Line or Restricted Line Officers:
- O-1 through O-4 are junior officers - ensign, lieutenant (junior grade), lieutenant, and lieutenant commander
- O-5 and O-6 for senior officers - commander and captain
- O-7 through O-10 are for flag officers - rear admiral (lower half) (one star), rear admiral (two star), vice admiral (three star), and admiral (four star).
Rank and promotion systemEdit
In the event that officers demonstrate superior performance, they are given an increase in pay grade. The official Navy term for this occasion is a promotion. Above the rank of Admiral is the rank of fleet admiral. The rank was held by four officers during World War II and not been held by any officer since. It is reserved for wartime use. The rank of Admiral of the Navy was an earlier equivalent to Fleet Admiral: it was awarded to only one person, George Dewey in 1899. Efforts to resurrect the rank in the 20th century (as an O-12 grade outranking fleet admirals) failed, making it very unlikely that it will be used again.
Commissioned officers originate from the United States Naval Academy, Naval Reserve Officer Training Corps (NROTC), Officer Candidate School (OCS), and a host of other commissioning programs such as the Seaman to Admiral-21 program and the Limited Duty Officer/Chief Warrant Officer Selection Program.
Commissioned officers can generally be divided into line officers and staff corps:
- Line officers (or officers of the line) derive their name from the 18th-century British tactic of employing warships in a line of battle to take advantage of cannon on each side of the ship. These vessels were dubbed ships of the line and those who commanded them were likewise called "line officers." Today, all United States Navy line and restricted line officers denote their status with a star located above their rank devices on the shoulder boards and sleeves of their uniforms. Officers of the Staff Corps replace the star with different insignias to indicate their field of specialty. Line officers can be categorized into unrestricted and restricted communities.
- Unrestricted Line Officers are the most visible and well-known, due to their role as the Navy's war-fighting command element. They receive training in tactics, strategy, command and control, and actual combat and are considered unrestricted because they are authorized to command ships, aviation squadrons, and special operations units.
- Restricted Line Officers, on the other hand, concentrate on non-combat related fields, which include marine engineering, maintenance, meteorology and oceanography, and naval intelligence. They are not qualified to command combat units. However, in a shipboard environment, many unrestricted line officers fill these duties, such as the officers in a ship's engineering department. Because they maintain their general shipboard duties, instead of completely specializing in one career area, they maintain their command career path.
- Staff corps officers are specialists in fields that are themselves professional careers and not exclusive to the military, for example health care, law, and civil engineering. There are eight staff corps: Medical Corps, Dental Corps, Nurse Corps, Medical Service Corps, Chaplain Corps, Navy Supply Corps, Judge Advocate General's Corps, and Civil Engineer Corps. They exist to augment the line communities and are able to be assigned to both line and staff commands. (The exception to this is the case of Civil Engineering Corps officers, who serve as the officers for Seabee units. This requires them to serve in a command capacity for ground combatants when the Seabees are deployed to combat areas.)
See also Commodore (United States) - today a title, and formerly a rank.
Commissioned Officer RanksEdit
|Commissioned Officer Rank Structure of the United States Navy|
|Pay grade||Special ¹||O-10||O-9||O-8||O-7||O-6||O-5||O-4||O-3||O-2||O-1|
|Title||Fleet Admiral||Admiral||Vice Admiral||Rear Admiral|
(upper half) 
(junior grade) 
Commissioned Warrant Officer RanksEdit
|Commissioned Warrant Officer Rank Structure of the United States Navy|
|Title||Chief Warrant Officer Five||Chief Warrant Officer Four||Chief Warrant Officer Three||Chief Warrant Officer Two|
Navy Officers serve either as a line officer (with a star above the stripes on the sleeve or shoulderboards), or in one of the staff corps:
|Staff Corps||Medical Corps||Dental Corps||Nurse Corps||Medical Service Corps||Chaplain Corps (Christian Faith)|
|Staff Corps||Chaplain Corps (Jewish Faith)||Chaplain Corps (Muslim Faith)||Supply Corps||Civil Engineer Corps||Judge Advocate General's Corps|
1An officer designator describes their general community or profession. The final (fourth) digit (X) denotes whether the officer has a Regular (0), Reserve (5), or Full Time Support (7) commission.
Not pictured: Chaplain Corps (Buddhist Faith)
The staff corps devices are also worn on the left collar of uniforms.
- Staff (military)
- List of Naval Officer Designators
- List of United States Navy staff corps
- Uniforms of the United States Navy
- Badges of the United States Navy
- U.S. Navy Midshipman rank insignia can be found in the Midshipman article.
- U.S. Navy Warrant officer rank insignia can be found in the Warrant Officer (United States) article.
- United States Navy enlisted rate insignia
- Naval officer ranks - comparison to other countries and explanation of NATO rank codes
- Navy Enlisted Classification
- ↑ http://www.defenselink.mil/prhome/poprep2000/html/chapter4/chapter4_2.htm
- ↑ http://www.defenselink.mil/specials/insignias/officers.html
- ↑ "Specialty Insignia - Staff Corps".
- ↑ 4.0 4.1  10 USC 5501. Navy: grades above chief warrant officer, W–5
- ↑ 5.0 5.1  37 USC 201. Pay grades: assignment to; general rules
- Info on becoming a Navy Officer
- Chapter 4, Section 1: OFFICER RANK INSIGNIA of the Bureau of Personnel Uniform Regulations
- Department of Defense Rank Insignias — Officers Rank
|United States commissioned officer and officer candidate ranks|
|Pay grade / Branch of service|| Officer|
|Air Force||Cadet / OT / OC||2d Lt||1st Lt||Capt||Maj||Lt Col||Col||Brig Gen||Maj Gen||Lt Gen||Gen||GAF|||
|Army||CDT / OC||2LT||1LT||CPT||MAJ||LTC||COL||BG||MG||LTG||GEN||GA||GAS|
|Marine Corps||Midn / Cand||2ndLt||1stLt||Capt||Maj||LtCol||Col||BGen||MajGen||LtGen||Gen|||||
|Navy||MIDN / OC||ENS||LTJG||LT||LCDR||CDR||CAPT||RDML||RADM||VADM||ADM||FADM||AN|
|Coast Guard||CDT / OC||ENS||LTJG||LT||LCDR||CDR||CAPT||RDML||RADM||VADM||ADM|||||
|Public Health Service||[OC]||ENS||LTJG||LT||LCDR||CDR||CAPT||RADM||RADM||VADM||ADM|||||
|NOAA Corps||OC||ENS||LTJG||LT||LCDR||CDR||CAPT||RDML||RADM|| VADM|||||||
Unofficial 1945 proposal for General of the Armies insignia; John J. Pershing's GAS insignia: ; George Dewey's AN insignia:
 Rank used for specific officers during World War II and Korea only, not permanent addition to rank structure
 Grade is authorized by the U.S. Code for use but has not been created
 Grade has never been created or authorized
|United States warrant officer ranks|
|Public Health Service|||||||||||
|National Oceanic and|
 Grade is authorized for use by U.S. Code but has not been created
 Grade never created or authorized
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