British Army Ranks

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British Army personnel are ranked according to level, from the lowest  (privates) to the highest (generals). Above private soldiers there are three types of officer: non-commissioned officers, warrant officers, and commissioned officers.

  • Commissioned Officers are graduates of military academies or of officer training schools. They hold Her Majesty The Queen's Commission. Warrant Officers rank between Commissioned and Non-Commissioned officers. They hold a Royal Warrant from Her Majesty The Queen.

  • Non-Commissioned Officers include corporals and sergeants and staff sergeants.

Warrant and Non-Commissioned Officers often hold appointments. Numerous Regiments and Corps have traditional and unique naming conventions.

I have also collected some information on the RAF rank structure

A separate page cross-refers between the ranks of the Army, Navy and Royal Air Force.

Rank Insignia Comments
Field Marshal




The King would be the commander but he might appoint a Captain General to command in his name - the first being George Monck appointed by Charles II in 1660. Later, when the title of Colonel became popular some Kings called their commanders Colonel General. The British Army stopped using the Captain part of the title by the Eighteenth Century leaving just General as the top commander. Lat. generalis "something pertaining to a whole unit of anything rather than just to a part". Before the Sixteenth Century armies were usually formed only when needed for a war or campaign.

Lieutenant General

The king or his Captain General would often be away from the army since they had interests elsewhere so the job of actually running the army fell to the Captain General's assistant - his lieutenant - the Lieutenant General. This was not a permanent rank until the Seventeenth Century, before which one of the Colonels might be appointed Lieutenant General for a particular campaign or war but he would still command his own regiment.

Major General

The army's chief administrative officer was the Sergeant Major General. He would be an experienced soldier, possibly a commoner, who served as chief of staff. For much of his administrative work he dealt with the regimental Sergeant Majors, thus his title meant "overall" or "chief" Sergeant Major. His duties included such things as supply, organization, and forming the army for battle or march.

As the General ranks became fixed during the Seventeenth Century the Sergeant portion fell away leaving the title as Major General. This happened in England in 1655 when its Lord Protector Oliver Cromwell organized the country into eleven military districts each commanded by a Major General.


Commander of a Brigade,  in some armies later known as a Brigadier General. The Lieutenant General and Sergeant Major General dealt directly with the Colonels who lead the regiments making up the army. When there got to be too many regiments for the two generals to handle effectively they organized Brigades, usually composed of three or more Regiments. During the nineteenth century and before the "rank" of Brigadier was actually established, a local or temporary appointment granted (typically) to a full Colonel when commanding a Brigade.

The Brigadier General was the lowest-ranking general officer but was abolished when the Brigade was abolished after World War I, being  replaced by Colonels Commandant.. The rank of Brigadier appeared in 1928


The Spanish Army was organised into twenty units called colunelas or columns. These comprised1000 to 1250 men further organized into companies. The commander was the cabo de colunela, head of the column, or Colonel. Since the colunelas were royal or "crown" units they were also called coronelias and their commanders coronels.

The French developed Regiments from the colunela, keeping the title of Colonel and pronounced it the way it looks. The British copied the French. They also borrowed the Colonel from the French but adopted the Spanish pronunciation of coronel.

Lieutenant Colonel

The Colonel's assistants - their Lieutenants - took over at such times and any other times the Colonels were gone. The Colonel's lieutenants, of course, soon became the Lieutenant Colonels.


A Major was originally the Sergeant Major third in command to a Colonel in a traditional Regiment. Later, like a Lieutenant Colonel, a Major might command his own Battalion. Lat. maior is simply Latin for "greater".


Originally Captain-Lieutenant, becoming Captain in 1772. Lat. capitaneus "chieftain", from Lat. caput "head". Chieftain or head of a unit. As armies evolved his post came to be at the head of a company, which by the Sixteenth Century was usually 100 to 200 men. That seemed to be the number one man could manage in battle.


French lieu (place) tenant (holder). The Lieutenant normally commands a small tactical unit such as a platoon. A Lieutenant often takes the place of a superior officer when that officer is absent.

Second Lieutenant

The lowest rank of commissioned officer. Note that a Subaltern is a term applied to any officer below the rank of captain, especially a second lieutenant. Derivation from Latin related to the word for alternate.

Until 1871 the lowest commissioned rank was the Ensign in the Infantry and Cornet in the Cavalry - both names derived from French words signifying standard bearers. The Fusilier regiments, having no company colours, had First and Second Lieutenants anyway. The Fusiliers abolished the rank of Second Lieutenant in 1834. Between 1871-1877 the lowest was the Sub Lieutenant, after which today's Second Lieutenant rank was established.

Warrant Officer

Introduced into the British Army in 1879, the military grade of Warrant Officer dates back to the early years of the Royal Navy. These experienced soldiers, often have specialist appointments. They hold a Royal Warrant from Her Majesty The Queen. There are currently two classes of Warrant Officer, First Class and Second Class.


Staff Sergeant A rank senior to sergeant.

Lat. serviens servant to a knight in medieval times. The English borrowed the word sergeant from the French in about the Thirteenth Century. Meaning "non-commissioned military officer" first recorded 1548. Originally a much more important rank than presently.


Originally referred to a reliable veteran called the capo de'squadra or head of the square.



Lance Corporal

Appointment and not a rank. Junior to a Corporal. From lancepesade "officer of lowest rank, from obsolete French lancepessade, from Old Italian lancia spezzata, superior soldier, literally "broken lance". Originally referred to as a "chosen man" who would take control of the section if the Corporal was to be killed or wounded


Lat. privus or privo "an individual person and later an individual without (deprived of) an office" i.e. a private gentleman. The term as a military rank seems to come from the Sixteenth Century when individuals had the privilege of enlisting or making private contracts to serve as private soldiers in military units.