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Commander (commonly abbreviated as Cmdr.) is a common naval
officer rank 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, or a warrant officer. However, absent context ...
. Commander is also used as a rank or title in other formal organizations, including several
police The police are a constituted body of persons empowered by a state, with the aim to enforce the law, to ensure the safety, health and possessions of citizens, and to prevent crime and civil disorder. Their lawful powers include arrest and th ...
forces. In several countries this naval rank is termed
frigate captain Frigate captain is a naval rank in the naval forces of several countries. Corvette captain lies one level below frigate captain. It is usually equivalent to the Commonwealth/US Navy rank of commander. Countries using this rank include Argentin ...
. Commander is also a generic term for an officer commanding any armed forces unit, for example "platoon commander", "brigade commander" and "squadron commander". In the police, terms such as "borough commander" and "incident commander" are used.


Commander as a naval and air force rank

Commander is a rank used in navies but is very rarely used as a rank in
armies An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...
. The title, originally "master and commander", originated in the 18th century to describe naval officers who commanded ships of war too large to be commanded by a lieutenant but too small to warrant the assignment of a
post-captain Post-captain is an obsolete alternative form of the rank of captain in the Royal Navy. The term served to distinguish those who were captains by rank from: * Officers in command of a naval vessel, who were (and still are) addressed as captain ...
and (before about 1770) a sailing master; the commanding officer served as his own master. In practice, these were usually unrated
sloops-of-war In the 18th century and most of the 19th, a sloop-of-war in the Royal Navy was a warship with a single gun deck that carried up to eighteen guns. The rating system covered all vessels with 20 guns and above; thus, the term ''sloop-of-war'' enc ...
of no more than 20 guns. The
Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...
shortened "master and commander" to "commander" in 1794; however, the term "master and commander" remained (unofficially) in common parlance for several years. The equivalent American rank
master commandant Master commandant was a rank within the early United States Navy. Both the Continental Navy, started in 1775, and the United States Navy created by the United States Congress, in 1796, had just two commissioned ranks, lieutenant and captain. Maste ...
remained in use until changed to commander in 1838. A corresponding rank in some navies is
frigate captain Frigate captain is a naval rank in the naval forces of several countries. Corvette captain lies one level below frigate captain. It is usually equivalent to the Commonwealth/US Navy rank of commander. Countries using this rank include Argentin ...
. In the 20th and 21st centuries, the rank has been assigned the NATO rank code of OF-4. Various functions of commanding officers were also styled ''commander''. In the navy of the
Dutch Republic The United Provinces of the Netherlands, also known as the (Seven) United Provinces, officially as the Republic of the Seven United Netherlands (Dutch: ''Republiek der Zeven Verenigde Nederlanden''), and commonly referred to in historiography ...
, anyone who commanded a ship or a fleet without having an appropriate rank to do so could be called a . This included ''ad hoc'' fleet commanders and acting captains (). In the fleet of the
Admiralty of Zeeland The Admiralty of Zeeland was one of the five admiralties of the navy of the Dutch Republic. One of its famous admirals was Joost Banckert. The Admiralty of Zeeland was disestablished in 1795, alongside the other admiralties. Board of the Zeeland ...
however, was a formal rank, the equivalent of (rear-admiral) in the other Dutch admiralties. The Dutch use of the title as a rank lives on in the Royal Netherlands Navy, as the equivalent of
commodore Commodore may refer to: Ranks * Commodore (rank), a naval rank ** Commodore (Royal Navy), in the United Kingdom ** Commodore (United States) ** Commodore (Canada) ** Commodore (Finland) ** Commodore (Germany) or ''Kommodore'' * Air commodore ...
. In the Royal Netherlands Air Force, however, this rank is known by the English spelling of which is the Dutch equivalent of the British air commodore.


Australia

The rank of commander in the
Royal Australian Navy The Royal Australian Navy (RAN) is the principal naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister of ...
(RAN) is identical in description to that of a commander in the British
Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...
. RAN chaplains who are in divisions 1, 2 or 3 (of five divisions) have the equivalent rank standing of commanders. This means that to officers and NCOs below the rank of commander, lieutenant colonel, or wing commander, the chaplain is a superior. To those officers ranked higher than commander, the chaplain is subordinate. Although this equivalency exists, RAN chaplains who are in divisions 1, 2 or 3 do not actually wear the rank of commander, and they hold no command privilege.


Canada


Scandinavia

Commander is a naval rank in Scandinavia ( in Danish and Norwegian, in Swedish) equivalent to the Anglo-American naval rank of captain. The Scandinavian rank of commander is immediately above "commander-captain" ( no, Kommandørkaptein, sv,
Kommendörkapten Commander (Cdr) ( sv, Kommendörkapten, Kk) is a senior-grade officer rank in the Swedish Navy, ranking below captain and above lieutenant commander. The rank is equivalent to lieutenant colonel in the Swedish Army, Swedish Air Force and the Swe ...
, da, Kommandørkaptajn), which is equivalent to the Anglo-American naval rank of commander.


Denmark

In Denmark, the rank of commander exists as (commander captain or commanding captain), which is senior to (captain) and (commander), which is senior to . ''Kommandørkaptajn'' is officially translated into Englis as "Commander, Senior Grade", while ''orlogskaptajn'' is officially translated as '"Commander."


United Kingdom


Royal Navy

A commander in the Royal Navy is above the rank of
lieutenant commander Lieutenant commander (also hyphenated lieutenant-commander and abbreviated Lt Cdr, LtCdr. or LCDR) is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding ran ...
, below the rank of captain, and is equivalent in rank to a lieutenant colonel in the army. A commander may command a frigate, destroyer, submarine, aviation squadron or shore installation, or may serve on a staff.


Royal Air Force

Since the British
Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) an ...
's mid-rank officers' ranks are modelled on those of the
Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...
, the term
wing commander Wing commander (Wg Cdr in the RAF, the IAF, and the PAF, WGCDR in the RNZAF and RAAF, formerly sometimes W/C in all services) is a senior commissioned rank in the British Royal Air Force and air forces of many countries which have historical ...
is used as a rank, and this is the equivalent of a lieutenant colonel in the army or a commander in the navy. The rank of wing commander is above that of
squadron leader Squadron leader (Sqn Ldr in the RAF ; SQNLDR in the RAAF and RNZAF; formerly sometimes S/L in all services) is a commissioned rank in the Royal Air Force and the air forces of many countries which have historical British influence. It is als ...
and below that of group captain. In the former Royal Naval Air Service, which was merged with the Royal Flying Corps to form the Royal Air Force in 1918, the pilots held appointments as well as their normal ranks in the Royal Navy, and they wore insignia appropriate to the appointment instead of the rank. A flight commander wore a star above a lieutenant's two rank stripes, squadron commander wore two stars above two rank stripes (less than eight years' seniority) or two-and-a-half rank stripes (over eight years seniority), and wing commander wore three rank stripes. The rank stripes had the usual Royal Navy curl, and they were surmounted by an eagle.


United States

In the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
,
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mu ...
,
United States Public Health Service Commissioned Corps The United States Public Health Service Commissioned Corps (PHSCC), also referred to as the Commissioned Corps of the United States Public Health Service, is the federal uniformed service of the U.S. Public Health Service (PHS) and one of the ...
, and
National Oceanic and Atmospheric Administration Commissioned Officer Corps The National Oceanic and Atmospheric Administration Commissioned Officer Corps, known informally as the NOAA Corps, is one of eight federal uniformed services of the United States, and operates under the National Oceanic and Atmospheric Administ ...
, commander (abbreviated "CDR") is a senior-grade officer rank, with the pay grade of O-5. Commander ranks above
lieutenant commander Lieutenant commander (also hyphenated lieutenant-commander and abbreviated Lt Cdr, LtCdr. or LCDR) is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding ran ...
(O-4) and below captain. (O-6). Commander is equivalent to the rank of lieutenant colonel in the
United States Army The United States Army (USA) is the land warfare, land military branch, service branch of the United States Armed Forces. It is one of the eight Uniformed services of the United States, U.S. uniformed services, and is designated as the Army o ...
,
United States Air Force The United States Air Force (USAF) is the Aerial warfare, air military branch, service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part ...
,
United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...
, and
United States Space Force The United States Space Force (USSF) is the space service branch of the U.S. Armed Forces, one of the eight U.S. uniformed services, and the world's only independent space force. Along with its sister branch, the U.S. Air Force, the Space ...
. Notably, commander is the first rank at which the holder wears an embellished cap, whereas officers of the other military services are entitled to embellishment of similar headgear at O-4 rank. Promotion to commander in the U.S. Navy is governed by
United States Department of Defense The United States Department of Defense (DoD, USDOD or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government directly related to national sec ...
policies derived from the
Defense Officer Personnel Management Act The Defense Officer Personnel Management Act (DOPMA) () is a United States federal law passed in 1980 that for the first time standardized officer personnel management across the United States Armed Forces. It established ceilings on the number of ...
(DOPMA) of 1980 or its companion
Reserve Officer Personnel Management Act Reserve or reserves may refer to: Places * Reserve, Kansas, a US city * Reserve, Louisiana, a census-designated place in St. John the Baptist Parish * Reserve, Montana, a census-designated place in Sheridan County * Reserve, New Mexico, a US v ...
(ROPMA). DOPMA/ROPMA guidelines suggest that 70% of lieutenant commanders should be promoted to commander after serving a minimum of three years at their present rank and after attaining 15 to 17 years of cumulative commissioned service, although this percentage may vary and be appreciably less for certain officer designators (i.e., primary "specialties") depending on defense budgets, force structure, and the needs of the service.


Gallery

File:Generic-Navy-6.svg, Commander
(
Antigua and Barbuda Coast Guard The Antigua and Barbuda Defence Force Coast Guard is the maritime branch of the Antigua and Barbuda Defence Force. The purpose of the coast guard is to maintain the countries interests, and along with the Antigua and Barbuda Defence Force Air Wing, ...
) File:Generic-Navy-6.svg, Commander
(
Royal Australian Navy The Royal Australian Navy (RAN) is the principal naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister of ...
) File:Generic-Navy-6.svg, Commander
(
Royal Bahamas Defence Force The Royal Bahamas Defence Force (RBDF) is the military of The Bahamas. Since The Bahamas does not have an army or an air force, its navy composes the entirety of its armed forces. Under The Defence Act, the Royal Bahamas Defence Force has been m ...
) File:Generic-Navy-6.svg, Commander
(
Bangladesh Navy The Bangladesh Navy ( bn, বাংলাদেশ নৌবাহিনী, Bangladesh Nou Bahini) is the naval warfare branch of the Bangladesh Armed Forces, responsible for Bangladesh's of maritime territorial area, and the defence of imp ...
) File:Generic-Navy-6.svg,
( Royal Brunei Navy) File:Generic-Navy-6.svg, Commander
( Barbados Coast Guard) File:Belize_Coast_Guard_OF-4.svg, Commander
( Belize Coast Guard) File:Generic-Navy-6.svg, Commander
(
Royal Canadian Navy The Royal Canadian Navy (RCN; french: Marine royale canadienne, ''MRC'') is the naval force of Canada. The RCN is one of three environmental commands within the Canadian Armed Forces. As of 2021, the RCN operates 12 frigates, four attack submar ...
) File:Generic-Navy-8.svg,
(
Royal Danish Navy The Royal Danish Navy ( da, Søværnet) is the sea-based branch of the Danish Defence force. The RDN is mainly responsible for maritime defence and maintaining the sovereignty of Danish territorial waters (incl. Faroe Islands and Greenland). O ...
) File:Generic-Navy-6.svg, Commander
(
Republic of Fiji Navy The Fijian Navy was created when Fiji ratified the recently created United Nations Convention on Laws of the Sea. The Convention established that maritime nation had an Exclusive Economic Zone of 200 kilometres, which extended Fiji's waters twe ...
) File:Finland-Navy-OF-4.svg,

(
Finnish Navy The Finnish Navy ( fi, Merivoimat, sv, Marinen) is one of the branches of the Finnish Defence Forces. The navy employs 2,300 people and about 4,300 conscripts are trained each year. Finnish Navy vessels are given the ship prefix "FNS", short f ...
) File:Generic-Navy-6.svg, Commander
( Gambian Navy) File:Generic-Navy-6.svg, Commander
(
Ghana Navy The Ghana Navy (GN) is the naval warfare organizational military branch of the Ghanaian Armed Forces (GAF). The Ghanaian Navy, along with the Ghanaian Army (GA) and Ghanaian Air Force (GHF), make up the Ghanaian Armed Forces (GAF) which are co ...
) File:Generic-Navy-6.svg, Commander
( Guyana Coast Guard) File:Generic-Navy-6.svg, Commander

(
Indian Navy The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates si ...
) File:Generic-Navy-(star)-O5.svg, Commander

( Irish Naval Service) File:Generic-Navy-6.svg, Commander
(
Jamaican Coast Guard The Jamaica Defence Force (JDF) is the combined military of Jamaica, consisting of an infantry Regiment and Reserve Corps, an Air Wing, a Coast Guard fleet and a supporting Engineering Unit. The JDF is based upon the British military model, with ...
) File:Generic-Navy-(star)-O5.svg, Commander
( Liberian National Coast Guard) File:Generic-Navy-7.svg,
(
Lithuanian Naval Force The Lithuanian Navy ( lt, Lietuvos Karinės jūrų pajėgos) is the naval arm of the Lithuanian Armed Forces. Though formally established on 1 August 1935 its roots stretch back as far as naval engagements on the Baltic Sea in the Medieval period ...
) File:Generic-Navy-6.svg,
( Royal Malaysian Navy) File:Generic-Navy-6.svg, Commander
(
Namibian Navy The Namibian Navy is the maritime warfare branch of the Namibian Defence Force. History Development of Namibia's navy has been slow, and the force was only formally established on 11 September 1998 as a maritime wing and in 2004 as a fully ...
) File:Netherlands-Navy-OF-6.svg,
( Royal Netherlands Navy) File:Generic-Navy-6.svg, Commander
(
Royal New Zealand Navy The Royal New Zealand Navy (RNZN; mi, Te Taua Moana o Aotearoa, , Sea Warriors of New Zealand) is the maritime arm of the New Zealand Defence Force. The fleet currently consists of nine ships. The Navy had its origins in the Naval Defence Act ...
) File:Generic-Navy-6.svg, Commander
(
Nigerian Navy The Nigerian Navy (NN) is a branch of the Nigerian Armed Forces. It is among the largest navies on the African continent, consisting of several thousand personnel, including those of the Coast Guard. History The Nigerian Navy owes its origin t ...
) File:Generic-Navy-8.svg,
(
Royal Norwegian Navy The Royal Norwegian Navy ( no, Sjøforsvaret, , Sea defence) is the branch of the Norwegian Armed Forces responsible for naval operations of Norway. , the Royal Norwegian Navy consists of approximately 3,700 personnel (9,450 in mobilized state, ...
) File:Generic-Navy-6.svg, Commander

( Pakistan Navy) File:Generic-Navy-12.svg,
( Polish Navy) File:Romania-Navy-OF-5-Sleeve.svg,
(
Romanian Naval Forces The Romanian Navy ( ro, Forțele Navale Române) is the navy branch of the Romanian Armed Forces; it operates in the Black Sea and on the Danube. It traces its history back to 1860. History The Romanian Navy was founded in 1860 as a river flot ...
) File:Generic-Navy-6.svg, Commander
( Saint Kitts and Nevis Coast Guard) File:Generic-Navy-6.svg, Commander
( Sierra Leone Navy) File:Generic-Navy-6.svg, Commander
( South African Navy) File:Generic-Navy-6.svg, Commander
(
Sri Lanka Navy ta, இலங்கை கடற்படை , image = Sri Lanka Naval Seal.png , image_size = 180px , caption = Emblem of Sri Lanka Navy , dates = , c ...
) File:Generic-Navy-8.svg,
( Swedish Navy) File:Generic-Navy-6.svg, Commander
(
Tanzania Naval Command The Tanzania Naval Command ( sw, Kamandi ya Jeshi la Majini) is the naval military branch of the Tanzania People's Defence Force (TPDF). It was established in 1971 with assistance from China. History In the years immediately following independ ...
) File:Generic-Navy-6.svg, Commander
(
Tongan Maritime Force The Tongan Maritime Force is the naval arm of His Majesty's Armed Forces of Tonga. History The TDS was founded on 10 March 1973 by King Tāufaʻāhau Tupou IV, who also commissioned the first craft on that date. The first craft was VOEA ''Nga ...
) File:Generic-Navy-6.svg, Commander
(
Trinidad and Tobago Coast Guard The Trinidad and Tobago Defence Force (TTDF) is the military organization responsible for the defence of the twin island Republic of Trinidad and Tobago. It consists of the Trinidad and Tobago Regiment, the Trinidad and Tobago Coast Guard, the ...
) File:Generic-Navy-6.svg, Commander
(
Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...
) File:US Navy O5 insignia.svg, Commander
(
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
) File:USCG O-5 insignia.svg, Commander
(
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mu ...
)


Commander as a military appointment

For instance, as in various small colonial settlements (such as various Caribbean islands) commanding the garrison was the crux of the top job, the military title ''Commandeur'' could be used instead of a civilian gubernatorial style, not unlike the Portuguese
captain-major A donatary captain was a Portuguese colonial official to whom the Crown granted jurisdiction, rights, and revenues over some colonial territory. The recipients of these grants were called (donataries), because they had been given the grant as a ( ...
.


British Army

In the
British Army The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurk ...
, the term "commander" is officially applied to the non-commissioned officer in charge of a
section Section, Sectioning or Sectioned may refer to: Arts, entertainment and media * Section (music), a complete, but not independent, musical idea * Section (typography), a subdivision, especially of a chapter, in books and documents ** Section sig ...
(section commander), vehicle (vehicle commander) or gun (gun commander), to the subaltern or captain commanding a
platoon A platoon is a military unit typically composed of two or more squads, sections, or patrols. Platoon organization varies depending on the country and the branch, but a platoon can be composed of 50 people, although specific platoons may rang ...
(platoon commander), or to the
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, typically commanding a brigade of several thousand soldiers. I ...
commanding a
brigade A brigade is a major tactical military formation that typically comprises three to six battalions plus supporting elements. It is roughly equivalent to an enlarged or reinforced regiment. Two or more brigades may constitute a division. B ...
(brigade commander). Other officers commanding units are usually referred to as the
officer commanding The officer commanding (OC), also known as the officer in command or officer in charge (OiC), is the commander of a sub-unit or minor unit (smaller than battalion size), principally used in the United Kingdom and Commonwealth. In other countries, t ...
(OC), commanding officer (CO), general officer commanding (GOC), or general officer commanding-in-chief (GOC-C), depending on rank and position, although the term "commander" may be applied to them informally. In the
First Aid Nursing Yeomanry The First Aid Nursing Yeomanry (Princess Royal's Volunteer Corps) (FANY (PRVC)) is a British independent all-female registered charity formed in 1907 and active in both nursing and intelligence work during the World Wars. Its members wear a mili ...
commander is a rank equivalent to major.


Netherlands

''Commandeur'' as title of colonial office was the case on the island of
Tobago Tobago () is an List of islands of Trinidad and Tobago, island and Regions and municipalities of Trinidad and Tobago, ward within the Trinidad and Tobago, Republic of Trinidad and Tobago. It is located northeast of the larger island of Trini ...
in the Dutch colony of Nieuw Walcheren.


New Zealand Army

The usage is similar/identical to the
British Army The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurk ...
, with the term "commander" having been applied to the colonel who was Commander, 2 Land Force Group, Linton Camp, and now to Commander, 1 Brigade.


Spanish Armed Forces and ''Guardia Civil''

In the Spanish Army, the Spanish Air Force and the
marine infantry Marines, or naval infantry, are typically a military force trained to operate in littoral zones in support of naval operations. Historically, tasks undertaken by marines have included helping maintain discipline and order aboard the ship (refl ...
, the term commander is the literal translation of ''comandante'', the Spanish equivalent of a Commonwealth major. The ''
Guardia Civil The Civil Guard ( es, Guardia Civil, link=no; ) is the oldest law enforcement agency in Spain and is one of two national police forces. As a national gendarmerie force, it is military in nature and is responsible for civil policing under the au ...
'' shares the army ranks, and the officer commanding a house-garrison (usually an NCO or a lieutenant, depending on the size) is addressed as the ''comandante de puesto'' (post commander).


United States Army

In the
United States Army The United States Army (USA) is the land warfare, land military branch, service branch of the United States Armed Forces. It is one of the eight Uniformed services of the United States, U.S. uniformed services, and is designated as the Army o ...
, the term "commander" is officially applied to the commanding officer of army units; hence, there are company commanders, battalion commanders, brigade commanders, and so forth. At the highest levels of U.S. military command structure, "commander" also refers to what used to be called commander-in-chief, or CINC, until October 24, 2002, although the term CINC is still used in casual speech.


United States Air Force

In the
United States Air Force The United States Air Force (USAF) is the Aerial warfare, air military branch, service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part ...
, the term "commander" (abbreviated "CC" in office symbols, i.e. "OG/CC" for "operations group commander") is applied officially to the commanding officer of an Air Force unit; hence, there are
flight Flight or flying is the process by which an object moves through a space without contacting any planetary surface, either within an atmosphere (i.e. air flight or aviation) or through the vacuum of outer space (i.e. spaceflight). This can be a ...
commanders,
squadron Squadron may refer to: * Squadron (army), a military unit of cavalry, tanks, or equivalent subdivided into troops or tank companies * Squadron (aviation), a military unit that consists of three or four flights with a total of 12 to 24 aircraft, ...
commanders,
group A group is a number of persons or things that are located, gathered, or classed together. Groups of people * Cultural group, a group whose members share the same cultural identity * Ethnic group, a group whose members share the same ethnic ide ...
commanders,
wing A wing is a type of fin that produces lift while moving through air or some other fluid. Accordingly, wings have streamlined cross-sections that are subject to aerodynamic forces and act as airfoils. A wing's aerodynamic efficiency is e ...
commanders, numbered air force commanders, and commanders of major commands. In rank, a flight commander is typically a
lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations. The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often ...
or captain, a
squadron Squadron may refer to: * Squadron (army), a military unit of cavalry, tanks, or equivalent subdivided into troops or tank companies * Squadron (aviation), a military unit that consists of three or four flights with a total of 12 to 24 aircraft, ...
commander is typically a major or lieutenant colonel, a
group A group is a number of persons or things that are located, gathered, or classed together. Groups of people * Cultural group, a group whose members share the same cultural identity * Ethnic group, a group whose members share the same ethnic ide ...
commander is typically a
colonel Colonel (abbreviated as Col., Col or COL) is a senior military 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 colonel was typically in charge o ...
, a
wing A wing is a type of fin that produces lift while moving through air or some other fluid. Accordingly, wings have streamlined cross-sections that are subject to aerodynamic forces and act as airfoils. A wing's aerodynamic efficiency is e ...
commander is typically a senior colonel or a
brigadier general Brigadier general or Brigade general is a military rank used in many countries. It is the lowest ranking general officer in some countries. The rank is usually above a colonel, and below a major general or divisional general. When appointed ...
, a numbered air force commander is a
major general Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of ...
or
lieutenant general Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...
, and the commander of a major command is a
general A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". OED ...
.


United States Space Force

In the
United States Space Force The United States Space Force (USSF) is the space service branch of the U.S. Armed Forces, one of the eight U.S. uniformed services, and the world's only independent space force. Along with its sister branch, the U.S. Air Force, the Space ...
, the term "commander" is applied officially to the commanding officer of a Space Force unit; hence, there are
squadron Squadron may refer to: * Squadron (army), a military unit of cavalry, tanks, or equivalent subdivided into troops or tank companies * Squadron (aviation), a military unit that consists of three or four flights with a total of 12 to 24 aircraft, ...
commanders, Structure of the United States Space Force#Delta, delta commanders, and commanders of Structure of the United States Space Force#Field command, field commands. In rank, a squadron commander is a lieutenant colonel, a delta commander is a
colonel Colonel (abbreviated as Col., Col or COL) is a senior military 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 colonel was typically in charge o ...
, and the commander of a field command is a
major general Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of ...
or
lieutenant general Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...
.


Commander as a non-military rank or title


NASA rank

In NASA spacecraft missions since the beginning of Project Gemini, one crew member on each spacecraft is designated as mission commander. The commander is the captain of the ship, and makes all real-time critical decisions on behalf of the crew and in coordination with the Mission Control Center (MCC).


Use in aviation

The title of aircraft commander is used in civil aviation to refer to the pilot in command (commonly referred to as "captain", which is technically an airline rank and not related to the commander's role on board the aircraft).


British police rank

Within the Law enforcement in the United Kingdom, British police, Commander is a Chief police officer, chief officer rank in the two police forces responsible for law enforcement within London, the Metropolitan Police and City of London Police. In both forces, the rank is senior to Chief Superintendent#United Kingdom, chief superintendent; in the Metropolitan Police it is junior to deputy assistant commissioner and in the City of London Police it is junior to Assistant Commissioner#United Kingdom, assistant commissioner. In forces outside London, the rank equates to Assistant Chief Constable, assistant chief constable which bears the same insignia. The Metropolitan Police introduced the rank in 1946, after the rank of deputy assistant commissioner was split in two, with senior DACs keeping that rank and title and junior DACs being regraded as commanders. The Metropolitan Police also used the rank of Deputy commander (Metropolitan Police), deputy commander, ranking just below that of commander, between 1946 and 1968. Officers in charge of the twelve geographical Basic command unit, Basic Command Units are referred to as "BCU commander". However, the officers do not hold the rank of commander but instead hold the rank of chief superintendent. Prior to organisational change merging boroughs in to BCUs, officers in charge of policing each of the London borough, London's boroughs were given the title "borough commander". A previous exception to this was the borough commander of Westminster, who held the rank of commander due to the size, complexity, and high-profile nature of the borough. The Metropolitan Police Service announced that by summer 2018 the rank would be phased out, along with that of chief inspector. However, in August 2017 it was announced that the new Commissioner Cressida Dick had cancelled the plan to phase them out. The rank badge worn by a commander or an assistant chief constable consists of crossed tipstaff, tipstaves within a wreath. Within the Metropolitan Police Service, the tips of the tipstaves are blue and not red, unlike other forces. Until the abolition of the rank of deputy commander in 1968, however, a commander wore the same badge of rank as a deputy assistant commissioner.


Australian police rank

In Australia, commander is a rank used by the Victorian, Tasmanian, Western Australian, South Australian, and Australian Federal Police, Australian Federal police forces. The insignia consists of a crown over three bath stars in a triangular formation, equivalent to a
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, typically commanding a brigade of several thousand soldiers. I ...
in the army. In all four forces, it is junior to the rank of Assistant Commissioner, assistant commissioner, and senior to the rank of Chief Superintendent, chief superintendent, with the exception of Western Australia and Victoria where it is senior to the rank of Superintendent (police), superintendent. In New South Wales the position of commander is instated to officers (usually superintendents) in charge of a command or unit.


American police rank

Some large police departments and sheriff's offices in the US have a commander rank. Most commonly, this is the next rank above captain. Examples of this include the Chicago Police Department, Los Angeles Police Department, San Francisco Police Department, Portland Police Bureau and Rochester Police Department. In others, such as the Phoenix Police Department and Saint Paul Police Department, a commander rank is the next rank above lieutenant, and is equivalent to captain. In the Northport, Florida's police department, however, commanders are below captains. A commander in the LAPD is equivalent to an Inspector#United States, inspector in other large US departments (such as the NYPD); the LAPD rank was originally called inspector as well, but was changed in 1974 to commander. The Metropolitan Police Department of the District of Columbia also uses the rank of commander, which is a grade above inspector and two grades above captain. The insignia worn is commonly every insignia between major and major general, depending on the police or sheriff's department. Albuquerque Police Department commanders are captain equivalents, however, with the brass version of the captain's insignia. In some other police or sheriff's departments where the captains have brass insignias instead of silver, such as Florida's Lee County Sheriff's Department, commanders are above captains, and below majors, with the insignia being brass captain's bars with wreathes around. Northport's police commanders have the insignia of second lieutenants. Commander is also used as a title in certain circumstances, such as the commander of a squad of detectives, who would usually be of the rank of lieutenant, and in some police or sheriff's departments where commanders are ranks, officers or deputies of separate ranks are also referred to as commander by title.


Canadian police rank

The Montreal police force, Service de police de la Ville de Montréal, uses the rank of commander ''(Commandant)''.


Incident Command System

In the Incident Command System the incident commander is in charge of the response to an emergency. The title may pass from person to person as the incident develops.


Chivalric orders

The title of commander is used in chivalric orders such as the Sovereign Military Order of Malta for a member senior to a knight. The title of knight commander is often used to denote an even higher rank. These conventions are also used by most of the continental orders of chivalry. The United Kingdom uses different classifications. In most of the British orders of knighthood, the grade of knight (or dame) commander is the lowest grade of knighthood, but is above the grade of companion (which does not carry a knighthood). In the Royal Victorian Order and the Order of the British Empire, the grade of commander is senior to the grade of lieutenant or officer, but junior to that of knight or dame commander. In the British Venerable Order of Saint John, a commander ranks below a knight.


See also

*Comparative military ranks


Notes


References

{{Reflist Gubernatorial titles Military ranks Military ranks of Australia Military ranks of the Netherlands Police ranks Police ranks in the United Kingdom