A senior officer is an officer of a more senior grade in military or other uniformed services. In military organisations, the term may refer to any officer above
junior officer
Junior officer, company officer or company grade officer refers to the lowest operational commissioned officer category of ranks in a military or paramilitary organization, ranking above non-commissioned officers and below senior officers.
D ...
rank, but usually specifically refers to the middle-ranking group of
commissioned officer
An officer is a person who holds a position of authority as a member of an armed force or uniformed service.
Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer (NCO), or a warrant officer. However, absent ...
s above junior officer ranks but below
flag
A flag is a piece of textile, fabric (most often rectangular) with distinctive colours and design. It is used as a symbol, a signalling device, or for decoration. The term ''flag'' is also used to refer to the graphic design employed, and fla ...
,
general
A general officer is an Officer (armed forces), officer of high rank in the army, armies, and in some nations' air force, air and space forces, marines or naval infantry.
In some usages, the term "general officer" refers to a rank above colone ...
or
air rank. In most countries, this includes the
rank
A rank is a position in a hierarchy. It can be formally recognized—for example, cardinal, chief executive officer, general, professor—or unofficial.
People Formal ranks
* Academic rank
* Corporate title
* Diplomatic rank
* Hierarchy ...
s of
lieutenant commander/
major
Major most commonly refers to:
* Major (rank), a military rank
* Academic major, an academic discipline to which an undergraduate student formally commits
* People named Major, including given names, surnames, nicknames
* Major and minor in musi ...
/
squadron leader
Squadron leader (Sqn Ldr or S/L) is a senior officer rank used by some air forces, with origins from the Royal Air Force. The rank is used by air forces of many countries that have historical British influence.
Squadron leader is immediatel ...
,
commander
Commander (commonly abbreviated as Cmdr.) is a common naval officer rank as well as a job title in many army, armies. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countri ...
/
lieutenant colonel/
wing commander
Wing commander (Wg Cdr or W/C) is a senior officer rank used by some air forces, with origins from the Royal Air Force. The rank is used by air forces of many countries that have historical British influence.
Wing commander is immediately se ...
and
naval captain/
colonel
Colonel ( ; abbreviated as Col., Col, or COL) is a senior military Officer (armed forces), officer rank used in many countries. It is also used in some police forces and paramilitary organizations.
In the 17th, 18th, and 19th centuries, a colon ...
/
group captain
Group captain (Gp Capt or G/C) is a senior officer rank used by some air forces, with origins from the Royal Air Force. The rank is used by air forces of many Commonwealth of Nations, countries that have historical British influence.
Group cap ...
, or their equivalents. In some countries, it also includes
brigadier
Brigadier ( ) is a military rank, the seniority of which depends on the country. In some countries, it is a senior rank above colonel, equivalent to a brigadier general or commodore (rank), commodore, typically commanding a brigade of several t ...
s and
commodore
Commodore may refer to:
Ranks
* Commodore (rank), a naval rank
** Commodore (Royal Navy), in the United Kingdom
** Commodore (India), in India
** Commodore (United States)
** Commodore (Canada)
** Commodore (Finland)
** Commodore (Germany) or ' ...
s.
Sometimes, particularly in the army, this grade is referred to as field-grade officers, field officers or officers of field rank. Historically, a
regiment
A regiment is a military unit. Its role and size varies markedly, depending on the country, military service, service, or administrative corps, specialisation.
In Middle Ages, Medieval Europe, the term "regiment" denoted any large body of l ...
or
battalion
A battalion is a military unit, typically consisting of up to one thousand soldiers. A battalion is commanded by a lieutenant colonel and subdivided into several Company (military unit), companies, each typically commanded by a Major (rank), ...
's field officers made up its command element.
Canada
In the
Canadian Armed Forces
The Canadian Armed Forces (CAF; , FAC) are the unified Military, military forces of Canada, including sea, land, and air commands referred to as the Royal Canadian Navy, Canadian Army and the Royal Canadian Air Force. Under the ''National Defenc ...
, the term "senior officer" () is used in all three services. It includes the army and air force ranks of
major
Major most commonly refers to:
* Major (rank), a military rank
* Academic major, an academic discipline to which an undergraduate student formally commits
* People named Major, including given names, surnames, nicknames
* Major and minor in musi ...
,
lieutenant-colonel, and
colonel
Colonel ( ; abbreviated as Col., Col, or COL) is a senior military Officer (armed forces), officer rank used in many countries. It is also used in some police forces and paramilitary organizations.
In the 17th, 18th, and 19th centuries, a colon ...
, and the naval ranks of
lieutenant-commander,
commander
Commander (commonly abbreviated as Cmdr.) is a common naval officer rank as well as a job title in many army, armies. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countri ...
, and
captain
Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police depa ...
.
France
In the
French Armed Forces
The French Armed Forces (, ) are the military forces of France. They consist of four military branches – the Army, the Navy, the Air and Space Force, and the National Gendarmerie. The National Guard serves as the French Armed Forces' milita ...
, senior officers are called ''officiers supérieurs''. They include the army and air force ranks of ''
commandant
Commandant ( or ; ) is a title often given to the officer in charge of a military (or other uniformed service) training establishment or academy. This usage is common in English-speaking nations. In some countries it may be a military or police ...
'',
lieutenant-colonel and
colonel
Colonel ( ; abbreviated as Col., Col, or COL) is a senior military Officer (armed forces), officer rank used in many countries. It is also used in some police forces and paramilitary organizations.
In the 17th, 18th, and 19th centuries, a colon ...
, and the
naval
A navy, naval force, military maritime fleet, war navy, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operatio ...
ranks of ''
capitaine de corvette'', ''
capitaine de frégate'' and ''
capitaine de vaisseau
Captain is the name most often given in English-speaking navy, navies to the rank corresponding to command of the largest ships. The rank is equal to the army rank of colonel and air force rank of group captain.
Equivalent ranks worldwide in ...
''.
Germany
In the German , officers of the rank of
Major
Major most commonly refers to:
* Major (rank), a military rank
* Academic major, an academic discipline to which an undergraduate student formally commits
* People named Major, including given names, surnames, nicknames
* Major and minor in musi ...
, and ''
Oberst
''Oberst'' () is a senior field officer rank in several German language, German-speaking and Scandinavian countries, equivalent to Colonel. It is currently used by both the Army, ground and air forces of Austria, Germany, Switzerland, Denmark, a ...
'' in the
Heer (army) and
Luftwaffe
The Luftwaffe () was the aerial warfare, aerial-warfare branch of the before and during World War II. German Empire, Germany's military air arms during World War I, the of the Imperial German Army, Imperial Army and the of the Imperial Ge ...
(air force), and ''
Korvettenkapitän
(; ) is the lowest ranking Field officer, senior officer in the German navy.
Germany
Korvettenkapitän, short: KKpt/in lists: KK, () is the lowest senior officer military rank, rank () in the German Navy.
Address
The official manner, in li ...
'', ''
Fregattenkapitän
() is the middle ranking senior officer in a number of Germanic-speaking navies.
Austro-Hungary
Belgium
Germany
, short: FKpt / in lists: FK, is the middle Senior officer military rank, rank () in the German Navy.
It is the equivalent o ...
'' and ''
Kapitän zur See
Captain is the name most often given in English-speaking navies to the rank corresponding to command of the largest ships. The rank is equal to the army rank of colonel and air force rank of group captain.
Equivalent ranks worldwide include ...
'' in the
German Navy
The German Navy (, ) is part of the unified (Federal Defense), the German Armed Forces. The German Navy was originally known as the ''Bundesmarine'' (Federal Navy) from 1956 to 1995, when ''Deutsche Marine'' (German Navy) became the official ...
are traditionally known as ''Stabsoffiziere'' ().
Russia
(), derived from the German , was the designation of the following officers of the
Russian Imperial Army
The Imperial Russian Army () was the army of the Russian Empire, active from 1721 until the Russian Revolution of 1917. It was organized into a standing army and a state militia. The standing army consisted of Regular army, regular troops and ...
and Navy until 1917.
United Kingdom and Commonwealth
The
British Army
The British Army is the principal Army, land warfare force of the United Kingdom. the British Army comprises 73,847 regular full-time personnel, 4,127 Brigade of Gurkhas, Gurkhas, 25,742 Army Reserve (United Kingdom), volunteer reserve perso ...
and
Royal Marines
The Royal Marines provide the United Kingdom's amphibious warfare, amphibious special operations capable commando force, one of the :Fighting Arms of the Royal Navy, five fighting arms of the Royal Navy, a Company (military unit), company str ...
use the terms "officers of field rank" or "field officers" to refer to the ranks of
major
Major most commonly refers to:
* Major (rank), a military rank
* Academic major, an academic discipline to which an undergraduate student formally commits
* People named Major, including given names, surnames, nicknames
* Major and minor in musi ...
,
lieutenant colonel,
colonel
Colonel ( ; abbreviated as Col., Col, or COL) is a senior military Officer (armed forces), officer rank used in many countries. It is also used in some police forces and paramilitary organizations.
In the 17th, 18th, and 19th centuries, a colon ...
and
brigadier
Brigadier ( ) is a military rank, the seniority of which depends on the country. In some countries, it is a senior rank above colonel, equivalent to a brigadier general or commodore (rank), commodore, typically commanding a brigade of several t ...
. The term "senior officer" is used for the ranks of
lieutenant commander,
commander
Commander (commonly abbreviated as Cmdr.) is a common naval officer rank as well as a job title in many army, armies. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countri ...
,
captain
Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police depa ...
and
commodore
Commodore may refer to:
Ranks
* Commodore (rank), a naval rank
** Commodore (Royal Navy), in the United Kingdom
** Commodore (India), in India
** Commodore (United States)
** Commodore (Canada)
** Commodore (Finland)
** Commodore (Germany) or ' ...
in the
Royal Navy
The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...
, and
squadron leader
Squadron leader (Sqn Ldr or S/L) is a senior officer rank used by some air forces, with origins from the Royal Air Force. The rank is used by air forces of many countries that have historical British influence.
Squadron leader is immediatel ...
,
wing commander
Wing commander (Wg Cdr or W/C) is a senior officer rank used by some air forces, with origins from the Royal Air Force. The rank is used by air forces of many countries that have historical British influence.
Wing commander is immediately se ...
and
group captain
Group captain (Gp Capt or G/C) is a senior officer rank used by some air forces, with origins from the Royal Air Force. The rank is used by air forces of many Commonwealth of Nations, countries that have historical British influence.
Group cap ...
in the
Royal Air Force
The Royal Air Force (RAF) is the Air force, air and space force of the United Kingdom, British Overseas Territories and Crown Dependencies. It was formed towards the end of the World War I, First World War on 1 April 1918, on the merger of t ...
. An RAF
air commodore
Air commodore (Air Cdre or Air Cmde) is an air officer rank used by some air forces, with origins from the Royal Air Force. The rank is also used by the air forces of many countries which have historical British influence and it is sometimes ...
, however, is considered to be an
air officer
An air officer is an air force officer of the rank of air commodore or higher. Such officers may be termed "officers of air rank". While the term originated in the Royal Air Force, air officers are also to be found in many Commonwealth of Natio ...
.
A number of other armed forces in the
Commonwealth
A commonwealth is a traditional English term for a political community founded for the common good. The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the 15th century. Originally a phrase (the common-wealth ...
, including Australia and New Zealand, also follow this pattern.
United States
The officer group in
United States Armed Forces
The United States Armed Forces are the Military, military forces of the United States. U.S. United States Code, federal law names six armed forces: the United States Army, Army, United States Marine Corps, Marine Corps, United States Navy, Na ...
has two different names depending on the branch. In the
Army
An army, ground force or land force is an armed force that fights primarily on land. In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or country. It may also include aviation assets by ...
,
Marine Corps
Marines (or naval infantry) are military personnel generally trained to operate on both land and sea, with a particular focus on amphibious warfare. Historically, the main tasks undertaken by marines have included raiding ashore (often in supp ...
,
Air Force
An air force in the broadest sense is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an army aviati ...
, and
Space Force
A space force is a military branch of a nation's armed forces that conducts military operations in outer space and space warfare. The world's first space force was the Russian Space Forces, established in 1992 as an independent military service. ...
the rank group is called field grade and consists of
major
Major most commonly refers to:
* Major (rank), a military rank
* Academic major, an academic discipline to which an undergraduate student formally commits
* People named Major, including given names, surnames, nicknames
* Major and minor in musi ...
,
lieutenant colonel, and
colonel
Colonel ( ; abbreviated as Col., Col, or COL) is a senior military Officer (armed forces), officer rank used in many countries. It is also used in some police forces and paramilitary organizations.
In the 17th, 18th, and 19th centuries, a colon ...
. In the
Navy
A navy, naval force, military maritime fleet, war navy, or maritime force is the military branch, branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral z ...
, and
Coast Guard
A coast guard or coastguard is a Maritime Security Regimes, maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with cust ...
, the rank group is called mid-grade and consists of
lieutenant commander,
commander
Commander (commonly abbreviated as Cmdr.) is a common naval officer rank as well as a job title in many army, armies. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countri ...
, and
captain
Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police depa ...
.
References
{{Authority control
Military ranks
Military terminology