U.S. Navy Ranks: Their Structure & Hierarchy

US Navy ranks are organized into three categories—enlisted, warrant officer, and commissioned officer—spanning pay grades E-1 through O-10. Each rank carries distinct insignia, responsibilities, and authority, from the newest Seaman Recruit to the four-star Admiral who serves as Chief of Naval Operations.

Navy Enlisted Ranks (E-1 to E-9)

Pay Grade	Rank Title	Abbreviation	Insignia Description	NATO Code
E-1	Seaman Recruit	SR	No rank insignia worn on the sleeve	OR-1
E-2	Seaman Apprentice	SA	Two diagonal sleeve stripes (color varies by occupational group)	OR-2
E-3	Seaman	SN	Three diagonal sleeve stripes	OR-3
E-4	Petty Officer Third Class	PO3	One chevron beneath a perched eagle, above a rating specialty mark	OR-4
E-5	Petty Officer Second Class	PO2	Two chevrons beneath the eagle and rating mark	OR-5
E-6	Petty Officer First Class	PO1	Three chevrons beneath the eagle and rating mark	OR-6
E-7	Chief Petty Officer	CPO	Three chevrons with an arched rocker beneath a gold eagle and rating mark; gold fouled-anchor collar device with silver "USN"	OR-7
E-8	Senior Chief Petty Officer	SCPO	Same as Chief Petty Officer insignia, with one silver star above the eagle; anchor collar device bears one star	OR-8
E-9	Master Chief Petty Officer	MCPO	Same as Chief Petty Officer insignia, with two silver stars above the eagle; anchor collar device bears two stars	OR-9

A special E-9 billet, Master Chief Petty Officer of the Navy (MCPON), wears three stars above the eagle and serves as the senior enlisted advisor to the Chief of Naval Operations—though it remains pay grade E-9.

Navy Officer Ranks (O-1 to O-10)

Pay Grade	Rank Title	Abbreviation	Insignia Description	NATO Code
O-1	Ensign	ENS	Single gold bar; one ½-inch gold sleeve stripe	OF-1
O-2	Lieutenant Junior Grade	LTJG	Single silver bar; one ½-inch and one ¼-inch gold sleeve stripe	OF-1
O-3	Lieutenant	LT	Two silver bars; two ½-inch sleeve stripes	OF-2
O-4	Lieutenant Commander	LCDR	Gold oak leaf; two ½-inch stripes with a ¼-inch stripe between them	OF-3
O-5	Commander	CDR	Silver oak leaf; three ½-inch sleeve stripes	OF-4
O-6	Captain	CAPT	Silver eagle (spread-winged); four ½-inch sleeve stripes	OF-5
O-7	Rear Admiral (Lower Half)	RDML	One silver star; one wide 2-inch sleeve stripe	OF-6
O-8	Rear Admiral (Upper Half)	RADM	Two silver stars; one wide stripe plus one ½-inch stripe	OF-7
O-9	Vice Admiral	VADM	Three silver stars; wide stripe plus two ½-inch stripes	OF-8
O-10	Admiral	ADM	Four silver stars; wide stripe plus three ½-inch stripes	OF-9

Line officers also wear a star above their sleeve stripes. Fleet Admiral (five stars, O-11) is a wartime-only grade authorized by Congress; it is not currently in use, and no Fleet Admiral has been appointed since 1945 (Leahy, King, Nimitz, and Halsey were the only four).

Navy Warrant Officer Ranks (W-1 to W-5)

Pay Grade	Rank Title	Abbreviation	Insignia Description	NATO Code
W-1	Warrant Officer 1	WO1	Gold-and-blue broken-stripe insignia; appointed by warrant from the Secretary of the Navy	WO-1
W-2	Chief Warrant Officer 2	CWO2	Gold-toned, blue-enamel-segmented collar device	WO-2
W-3	Chief Warrant Officer 3	CWO3	Silver-toned, blue-enamel-segmented collar device	WO-3
W-4	Chief Warrant Officer 4	CWO4	Silver-toned, blue-enamel-segmented collar device	WO-4
W-5	Chief Warrant Officer 5	CWO5	Silver-toned, blue-enamel-segmented collar device	WO-5

Commissioned warrant officers (CWO2–CWO5) are typically appointed from senior enlisted sailors, usually E-7 and above. The Navy's WO1 grade exists within the broader Department of Defense structure, but the Navy generally appoints directly to CWO2 rather than using the WO1 grade.

How Navy Ranks Compare to Other Branches

Pay Grade	Navy	Army	Marine Corps	Air Force	Space Force
E-1	Seaman Recruit	Private	Private	Airman Basic	Specialist 1
E-2	Seaman Apprentice	Private	Private First Class	Airman	Specialist 2
E-3	Seaman	Private First Class	Lance Corporal	Airman First Class	Specialist 3
E-4	Petty Officer Third Class	Specialist/Corporal	Corporal	Senior Airman	Specialist 4
E-5	Petty Officer Second Class	Sergeant	Sergeant	Staff Sergeant	Sergeant
E-6	Petty Officer First Class	Staff Sergeant	Staff Sergeant	Technical Sergeant	Technical Sergeant
E-7	Chief Petty Officer	Sergeant First Class	Gunnery Sergeant	Master Sergeant	Master Sergeant
E-8	Senior Chief Petty Officer	Master Sergeant/First Sergeant	Master Sergeant/First Sergeant	Senior Master Sergeant	Senior Master Sergeant
E-9	Master Chief Petty Officer	Sergeant Major/Command Sergeant Major	Master Gunnery Sergeant/Sergeant Major	Chief Master Sergeant	Chief Master Sergeant
W-1	Warrant Officer 1	Warrant Officer 1	Warrant Officer 1	Warrant Officer 1	None
W-2 to W-5	CWO2–CWO5	CW2–CW5	CWO2–CWO5	CW2–CW5	None
O-1	Ensign	Second Lieutenant	Second Lieutenant	Second Lieutenant	Second Lieutenant
O-2	Lieutenant Junior Grade	First Lieutenant	First Lieutenant	First Lieutenant	First Lieutenant
O-3	Lieutenant	Captain	Captain	Captain	Captain
O-4	Lieutenant Commander	Major	Major	Major	Major
O-5	Commander	Lieutenant Colonel	Lieutenant Colonel	Lieutenant Colonel	Lieutenant Colonel
O-6	Captain	Colonel	Colonel	Colonel	Colonel
O-7	Rear Admiral (Lower Half)	Brigadier General	Brigadier General	Brigadier General	Brigadier General
O-8	Rear Admiral (Upper Half)	Major General	Major General	Major General	Major General
O-9	Vice Admiral	Lieutenant General	Lieutenant General	Lieutenant General	Lieutenant General
O-10	Admiral	General	General	General	General

Pay grade is the common denominator across services—and it's worth noting one frequent point of confusion: the Navy's Captain (O-6) equals an Army, Marine Corps, or Air Force Colonel, while an Army, Marine Corps, or Air Force Captain equals a Navy Lieutenant (O-3).

What Is the Navy's Organizational Structure?

The U.S. Navy boasts an extensive array of ranks that form the backbone of its organizational structure. US Navy ranks are an essential aspect of the Navy's everyday operations, defining the roles, responsibilities, and authority of each sailor and officer.

To understand US Navy ranks, it helps to know that U.S. military rank is more than who salutes whom. Military rank is a badge of leadership—responsibility for personnel, equipment, and mission grows with each advancement.

It's also important not to confuse US Navy ranks with pay grades, such as E-1, W-2, and O-5. Pay grades are administrative classifications used primarily to standardize compensation across the military services. The "E" in E-1 stands for "enlisted," while the "1" indicates the pay grade for that position. The other pay categories are "W" for warrant officers and "O" for commissioned officers. Some enlisted pay grades have two ranks.

US Navy ranks are divided into three categories: enlisted ranks, warrant officer ranks, and officer ranks. Enlisted ranks are held by sailors who have successfully completed boot camp and have not completed or are not attending Officer Candidate School (OCS). They are usually in charge of carrying out orders and ensuring the smooth operation of Navy operations. According to the Department of Defense pay-grade structure, the enlisted ranks span pay grades E-1 through E-9 and include five broad groupings: Seaman, Petty Officer, Chief Petty Officer, Senior Chief Petty Officer, and Master Chief Petty Officer.

Whether you are a naval enthusiast looking to learn more about the Navy or a soon-to-be sailor trying to navigate the ranks, this guide provides a comprehensive overview of US Navy ranks in order.

Who Holds the Seaman Rank?

The Seaman rank consists of three levels: Seaman Recruit, Seaman Apprentice, and Seaman. This rank is the starting point for every sailor's naval career. The Seaman is responsible for keeping the ship clean, standing watch, and operating equipment.

Sailors in these US Navy ranks (pay grades E-1 through E-3) are usually either in some kind of training status or on their initial assignment. Training includes a basic training phase, where recruits are immersed in military culture and values and taught the core skills required by their service component.

Basic training is followed by a specialized or advanced training phase that provides recruits with a specific area of expertise or concentration. In the U.S. Navy, this occupational specialty is known as a rating; sailors generally remain non-rated until they earn one.

What Does a Petty Officer Do?

The Petty Officer rank ranges from Petty Officer Third Class to Petty Officer First Class. These sailors are responsible for ensuring tasks are performed and that equipment is maintained and operating correctly. They are also responsible for the well-being of their subordinates.

Leadership responsibility significantly increases in the midlevel enlisted ranks. This responsibility is given formal recognition through the term "Petty Officer." The Navy's non-commissioned officer (NCO) equivalent, Petty Officer, is first achieved at the rank of Petty Officer Third Class.

What Does a Chief Petty Officer Do?

The Chief Petty Officer is the backbone of the U.S. Navy and is responsible for implementing officers' orders. Sailors who hold this rank maintain discipline and ensure the work cycle runs smoothly.

What Does a Senior Chief Petty Officer Do?

The Senior Chief Petty Officer is a primary advisor to the commanding officer and is responsible for mentoring sailors and ensuring discipline. They also help ensure the safety, health, and well-being of their team.

What Is a Master Chief Petty Officer?

Master Chief Petty Officer is pay grade E-9, the highest enlisted pay grade in the U.S. Navy, sitting above Senior Chief Petty Officer. The special billet of Master Chief Petty Officer of the Navy (MCPON) is also pay grade E-9, but serves as the Navy's senior enlisted advisor to the Chief of Naval Operations.

What Are Navy Warrant Officers?

Warrant officers in the US Navy hold warrants from their service secretary and are specialists and experts in certain military technologies or capabilities. The lowest-ranking warrant officers serve under a warrant, but they receive commissions from the president upon promotion to Chief Warrant Officer 2.

These commissioned warrant officers are direct representatives of the president of the United States. They derive their authority from the same source as commissioned officers but remain specialists, in contrast to commissioned officers, who are generalists.

Warrant officer US Navy ranks include Warrant Officer 1, Chief Warrant Officer 2, Chief Warrant Officer 3, Chief Warrant Officer 4, and Chief Warrant Officer 5. To understand where warrant officers sit in the Navy's rank structure: enlisted personnel salute warrant officers, and warrant officers in turn salute commissioned officers, who are saluted by both warrant officers and enlisted personnel.

What Are Commissioned Officer Ranks in the Navy?

The officer US Navy ranks are held by individuals who have completed an officer commissioning program. There are numerous ways to become an officer in the U.S. Navy, but the most popular are Officer Candidate School, the U.S. Naval Academy, and Reserve Officer Training Corps. Officers are responsible for overall Navy operations and span five broad groupings: Ensign, Lieutenant, Commander, Captain, and Admiral.

What Does an Ensign Do?

The Ensign is the lowest commissioned officer rank in the US Navy. Ensigns are responsible for managing the smaller sections and teams of the ship.

What Does a Lieutenant Do?

The Lieutenant's rank ranges from Lieutenant Junior Grade (LTJG) to Lieutenant Commander (LCDR). Lieutenants are responsible for the ship's departments and serve as advisors to the commanding officer.

What Does a Commander Do?

The Commander is responsible for the ship's tasks under their command and has the authority to act as the commanding officer when the commander is not present.

What Does a Navy Captain Do?

A Captain (O-6) is a senior officer who serves as commanding officer of major commands like aircraft carriers and assault ships. Note that "captain" is also used as a courtesy title for the commanding officer of any ship, regardless of that officer's actual rank—so a ship's "Captain" is not always an O-6 Captain.

What Does an Admiral Do?

The Admiral (O-10) is the highest rank currently in active use among US Navy ranks. Rear Admiral is divided into Lower Half (O-7) and Upper Half (O-8), followed by Vice Admiral (O-9) and Admiral (O-10). Admirals are responsible for the well-being of their fleet, including equipment, personnel, and financial matters.

Navy Rate vs. Rank: What's the Difference?

In the Navy, "rate" and "rank" mean different things, and the distinction matters for understanding how enlisted sailors are identified. An enlisted sailor's "rating" is their occupational specialty—for example, Boatswain's Mate (BM), Yeoman (YN), or Hospital Corpsman (HM). A "rate" combines that rating with a pay-grade level, producing a full title such as Boatswain's Mate Second Class (BM2) or Yeoman First Class (YN1). Sailors are commonly addressed by their rate, such as "Petty Officer Smith."

"Rank," by contrast, is the term used chiefly for commissioned officers—Ensign, Captain, Admiral—who do not hold ratings; their duties are instead organized by designator or community. Seaman recruits in pay grades E-1 through E-3 are generally non-rated or apprentices until they earn a rating through specialized training. Once rated, sailors at E-4 and above wear a rating specialty mark on their sleeve alongside their rank insignia.

Chief Petty Officers (E-7 through E-9) remain enlisted and still hold rates—for example, Chief Boatswain's Mate—even as their leadership responsibilities expand. Advancement through the enlisted ranks is governed by exams, performance evaluations, time in rate, and available quotas. In short: pay grade (like E-5) is an administrative classification, while rate is the sailor's actual title and job.

Frequently Asked Questions

Below are some FAQs about Navy ranks.

What is the highest rank in the Navy?

Admiral (O-10), a four-star rank, is the highest Navy rank currently in use. The Chief of Naval Operations holds this rank as the Navy's senior officer. Fleet Admiral (five stars) is a wartime-only grade that hasn't been used since 1945.

How long does it take to make chief?

There's no fixed timeline—advancement to Chief Petty Officer is competitive, rate-dependent, and determined by a chief petty officer selection board. Sailors commonly spend roughly 10 to 15 years in service before selection, though eligibility and timing vary by rating, quotas, and performance. Check MyNavyHR for current eligibility requirements.

What is a petty officer?

A Petty Officer is an enlisted sailor at pay grade E-4, E-5, or E-6 (Petty Officer Third, Second, or First Class). This is the Navy's first formal leadership tier, roughly equivalent to a non-commissioned officer in other branches, responsible for tasks, equipment, and the well-being of junior sailors.

What does E-5 mean in the Navy?

E-5 refers to Petty Officer Second Class (PO2), the fifth enlisted pay grade in the Navy. The "E" stands for enlisted and the "5" indicates the pay grade. PO2s wear two chevrons and typically serve as mid-level supervisors.

Is a Navy Captain the same as an Army Captain?

No. A Navy Captain is pay grade O-6, equivalent to a Colonel in the Army, Marine Corps, or Air Force. An Army Captain is pay grade O-3, equivalent to a Navy Lieutenant.

How many pay grades are in the Navy?

The Navy uses 19 pay grades in total: E-1 through E-9 for enlisted sailors, W-1 through W-5 for warrant officers, and O-1 through O-10 for commissioned officers.

What is the lowest rank in the Navy?

Seaman Recruit (E-1) is the lowest rank in the Navy. It's the entry-level rank held by sailors who have just completed, or are completing, boot camp.

Conclusion

US Navy ranks play a vital role in defining the roles and responsibilities of those in the Navy's service, providing an essential command structure that guarantees effective and efficient operations.

Understanding US Navy ranks in order—enlisted, warrant officer, and officer—is fundamental to anyone interested in a Navy career. Whether you are joining the U.S. Navy or simply interested in military or naval history, this guide gives you a comprehensive overview of the Navy rank structure, along with a better understanding of the responsibility and respect associated with each rank level.

A naval career is one of the most respected professions, and while it can be quite challenging, it is a worthy path that helps shape an individual into a qualified leader.

Updated October 2026.