A U.S. Army sergeant from the 29th Infantry Division in 2011.
The insignia of an Australian police sergeant
OR-5 insignia
OR-5 insignia
OR-6 insignia
Sergeant insignia
The collar and sleeve insignia of kersantti
German sergeant (Unteroffizier) shoulder board
German Navy sergeant (Maat) shoulder board
Irish Army sergeant's rank slider
IDF Rank: סמל Samal
The metal sergeant rank pin is worn on the collar of the uniform.
Sierżant shoulder strap
RAF Sergeant's rank insignia
UK Police Patrol Sergeant Epaulette
U.S. Marine sergeant's sleeve insignia
Old U.S. Air Force sergeant rank insignia.
U.S. Space Force sergeant rank insignia.
Army sergeant
Air Force sergeant
Sergeant insignia

Rank in many uniformed organizations, principally military and policing forces.

- Sergeant

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Master sergeant

Military rank for a senior non-commissioned officer in the armed forces of some countries.

OR-5 insignia
OR-5 insignia
E-8 insignia
רב-סמל ראשון
<center>Master sargeant insignia
<center>Master sargeant insignia
<center>Master sargeant insignia
<center>Police Master sergeant (P/MSg) Insignia
Insignia of a master sergeant serving as first sergeant
Obsolete master sergeant insignia

The rank is below sergeant and above sergeant major.


Officer appointed by a deliberative body, usually a legislature, to keep order during its meetings.

A ceremonial mace (English, 17th century) as carried by the monarch's sergeants-at-arms on state occasions.
Portrait of Chancy Brown, an early sergeant-at-arms for the Senate of Liberia (made by Augustus Washington)
Serjeant-at-arms (with mace) in attendance at the opening of the New Zealand Parliament in 1950.
Serjeants-at-arms with their maces, travelling back to Buckingham Palace from Westminster after the State Opening of Parliament.
Two Serjeants-at-arms of the Royal Household escort the officers carrying the regalia into the Palace of Westminster for the State Opening of Parliament in 2022.

The term "sergeant" can be given two main definitions; the first being a military rank and the other a governmental role.


Military unit typically composed of two or more squads, sections, or patrols.

Platoon of marines from the United States Marine Corps.
Platoon ("Zug" in German) of the German Bundeswehr

In the Australian Army, an infantry platoon has thirty-six soldiers organized into three eight-man sections and a twelve-man maneuver support section, with a lieutenant as platoon commander and a sergeant as platoon sergeant, accompanied by a platoon signaller and sometimes a platoon medic (full strength of forty men).

Police officer

Warranted law employee of a police force.

German state police officer in Hamburg
Carnival 2010 on the day of Donetsk, Ukrainian female police officer on duty.
The New York Police Department (NYPD) represents the largest police force in the United States, with an authorized uniformed police officer strength of 38,442 as of 2018.
A Royal Canadian Mounted Police officer in the force's distinctive dress uniform
Mounted Tourist-Police officers in Petra, Jordan
Officers of the Polizia Municipale from Piacenza, Italy

Increasing numbers of people joining the police possess tertiary education qualifications and in response to this, many police forces have developed a "fast-track" scheme whereby those with university degrees spend two to three years as a Constable before receiving promotion to higher ranks, such as Sergeants or Inspectors.

Drill instructor

Non-commissioned officer in the armed forces, fire department, or police forces with specific duties that vary by country.

A Drill Instructor of the U.S. Marine Corps performing his duties
A Drill Sergeant of the Scots Guards shouting orders to his troops
Shadow cast by a Drill Instructor with Stetson Campaign hat on granite stone
A Drill Sergeant drills trainees in the U.S. Army.
A USMC Drill Instructor
A drill instructor encourages an officer candidate to properly perform pushups
A Recruit Division Commander conducts "Instructional Training" to correct substandard performance during boot camp.
A Coast Guard Company Commander instructs recruits.

Each recruit platoon is commanded by Recruit Instructors usually consisting of a Lieutenant, a Sergeant and up to four instructors of the Corporal or Bombardier rank.

Petty officer

Non-commissioned officer in many navies and is given the NATO rank denotion OR-5 or OR-6.

A Royal Navy boatswain's mate in 1820.
Relative Ranks in the Royal Navy, c1810
A petty officer of the Royal Navy on parade in London in 2015. Gold chevrons on the left arm represent good conduct, each one representing 4 years of service. After 15 years of service, with no breaks in good conduct, the individual is presented with their Long Service & Good Conduct Medal (nicknamed in the RN as Long Service & Undetected Crime Medal) it is the medal on the far right of this Petty Officer's row of medals.
Five United States Navy Reserve petty officers in Service Dress Uniform. From left to right: HM1, AT1, HM1, HM1, AT1.

In many nations, they are typically equal to a sergeant in comparison to other military branches.


Form of tenure in return for a specified duty other than standard knight-service.

Investiture of a knight (miniature from the statutes of the Order of the Knot, founded in 1352 by Louis I of Naples).

"Sergeant" is derived from the same source, though developing an entirely different meaning.

Technical sergeant

Name of two current and two former enlisted ranks in the United States Armed Forces.

<center>Technical Sergeant Insignia
<center>Technical Sergeant Insignia
<center>Technical Sergeant Insignia
Technical sergeant insignia, U.S. Army (1920-1948)
Technical sergeant insignia, U.S. Marine Corps (1941-1946)
Technical sergeant insignia, U.S. Marine Corps (1946-1959)
U.S. Air Force Technical sergeant insignia
U.S. Space Force Technical sergeant insignia

The grade of technical sergeant is above sergeant and beneath master sergeant.


Police rank and an administrative position used in a number of organizations.

Insignia of an officer of the Indian Police holding the rank of inspector

In Australian police forces, the rank of inspector is generally the next senior rank from senior sergeant and is less senior than a superintendent (in the cases of the Queensland Police and Western Australia Police) in the other Australian police forces.

Non-commissioned officer

Military officer who has not pursued a commission.

A sergeant of the Coldstream Guards addressing through the ranks during the rehearsal for the Trooping the Colour ceremony.
Sergeant, Royal Artillery, on the esplanade of Edinburgh Castle, firing the one o'clock gun
A First Sergeant with the 55th Signal Company (Combat Camera) gets his soldiers ready for a uniform inspection

The NCO corps usually includes many grades of enlisted, corporal and sergeant; in some countries, warrant officers also carry out the duties of NCOs.