|Typical units||Typical numbers||Typical commander|
|fireteam||2–4|| lance corporal /|
| squad /|
|5–14|| corporal /|
| platoon /|
|15–45|| second lieutenant /|
first lieutenant /
| company /|
|80–150|| first lieutenant /|
| battalion /|
|300–800|| lieutenant colonel /|
| regiment /|
|1,000–5,500|| colonel /|
|field army||100,000–300,000|| general /|
| army group /|
|2+ field armies|| field marshal /|
general of the army /
| region /|
|4+ army groups|| field marshal /|
general of the army /
A division is a large military unit or formation, usually consisting of between 10,000 and 20,000 soldiers. Infantry divisions during the World Wars ranged between 8,000 and 30,000 in nominal strength.
Infantry is a military specialization that engages in military combat on foot, distinguished from cavalry, artillery, and tank forces. Also known as foot soldiers or infanteers, infantry traditionally relies on moving by foot between combats as well, but may also use mounts, military vehicles, or other transport. Infantry make up a large portion of all armed forces in most nations, and typically bear the largest brunt in warfare, as measured by casualties, deprivation, or physical and psychological stress.
In most armies, a division is composed of several regiments or brigades; in turn, several divisions typically make up a corps. Historically, the division has been the default combined arms unit capable of independent operations. Smaller combined arms units, such as the American regimental combat team (RCT) during World War II, were used when conditions favored them. In recent times, modern Western militaries have begun adopting the smaller brigade combat team (similar to the RCT) as the default combined arms unit, with the division they belong to being less important.
A regiment is a military unit. Their role and size varies markedly, depending on the country and the arm of service.
A brigade is a major tactical military formation that is typically composed of 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.
Corps is a term used for several different kinds of organisation. A military innovation by Napoleon, the formation was first named as such in 1805.
While the focus of this article is on army divisions, in naval usage, "division" has a completely different meaning, referring to either an administrative/functional sub-unit of a department (e.g., fire control division of the weapons department) aboard naval and coast guard ships, shore commands, and in naval aviation units (including navy, marine corps, and coast guard aviation), to a sub-unit of several ships within a flotilla or squadron, or to two or three sections of aircraft operating under a designated division leader. Some languages, like Russian, Serbo-Croatian and Polish, also use a similar word, divizion/dywizjon, for a battalion-size artillery or cavalry unit.
A naval division is a subdivision of a squadron or flotilla. It can also be a sub-division of a fleet.
A flotilla, or naval flotilla, is a formation of small warships that may be part of a larger fleet. A flotilla is usually composed of a homogeneous group of the same class of warship, such as frigates, destroyers, torpedo boats, submarines, gunboats, or minesweepers. Groups of larger warships are usually called squadrons, but similar units of non-capital ships may be called squadrons in some instances, and flotillas in others. Formations including more than one capital ships, e.g. men-of-war, battleships, and aircraft carriers, typically alongside smaller ships and support craft, are typically called fleets, each portion led by a capital ship being a squadron or task force.
A squadron, or naval squadron, is a significant group of warships which is nonetheless considered too small to be designated a fleet. A squadron is typically a part of a fleet. Between different navies there are no clear defining parameters to distinguish a squadron from a fleet, and the size and strength of a naval squadron varies greatly according to the country and time period. Groups of small warships, or small groups of major warships, might instead be designated flotillas by some navies according to their terminology. Since the size of a naval squadron varies greatly, the rank associated with command of a squadron also varies greatly.
In administrative/functional sub-unit usage, unit size varies widely, though typically divisions number far fewer than 100 people and are roughly equivalent in function and organizational hierarchy/command relationship to a platoon or flight [ citation needed ].
A platoon is a military unit typically composed of two or more squads/sections/patrols. Platoon organization varies depending on the country and the branch, but typically, per the official tables of organization as published in U.S. military documents; a full-strength U.S. infantry rifle platoon consists of 39 Soldiers or 43 Marines. There are other types of infantry platoons, depending upon service and type of infantry company/battalion to which the platoon is assigned, and these platoons may range from as few as 18 to 69. Non-infantry platoons may range from as small as a nine-man communications platoon to a 102-man maintenance platoon. A platoon leader or commander is the officer in command of a platoon. This person is usually a junior officer—a second or first lieutenant or an equivalent rank. The officer is usually assisted by a platoon sergeant. A platoon is typically the smallest military unit led by a commissioned officer.
A flight is a military unit in an air force, naval air service, or army air corps. It is usually composed of three to six aircraft, with their aircrews and ground staff; or, in the case of a non-flying ground flight, no aircraft and a roughly equivalent number of support personnel. In most usages, multiple flights make up a squadron. The "flight" is also a basic unit for intercontinental ballistic missiles. Foreign languages equivalents include escadrille (French), escuadrilla (Spanish), esquadrilha (Portuguese) and Schwarm (German).
In the West, the first general to think of organising an army into smaller combined-arms units was Maurice de Saxe (d. 1750), Marshal General of France, in his book Mes Rêveries . He died at the age of 54, without having implemented his idea. Victor-François de Broglie put the ideas into practice. He conducted successful practical experiments of the divisional system in the Seven Years' War.
Maurice, Count of Saxony was a German soldier and officer of the Army of the Holy Roman Empire, then the Imperial Army and finally in French service who became a Marshal and later also a Marshal General of France. He is best known for his decisive victory at the Battle of Fontenoy and is honoured by the Walhalla Memorial.
Marshal General of France, originally "Marshal General of the King's camps and armies", was a title given to signify that the recipient had authority over all of the French armies, in the days when a Marshal of France usually governed only one army. This dignity was bestowed only on Marshals of France, usually when the dignity of Constable of France was unavailable or, after 1626, suppressed.
Victor François de Broglie, 2nd duc de Broglie was a French aristocrat and soldier and a marshal of France. He served with his father, François-Marie, 1st duc de Broglie, at Parma and Guastalla, and in 1734 obtained a colonelcy.
The first war in which the divisional system was used systematically was the French Revolutionary War. Lazare Carnot of the Committee of Public Safety, who was in charge of military affairs, came to the same conclusion about it as the previous royal government, and the army was organised into divisions.
Lazare Nicolas Marguerite, Count Carnot was a French mathematician, physicist and politician. He was known as the Organizer of Victory in the French Revolutionary Wars and Napoleonic Wars.
The Committee of Public Safety, created in April 1793 by the National Convention and then restructured in July 1793, formed the de facto, interim, and executive government in France during the Reign of Terror (1793–1794), a stage of the French Revolution. The Committee of Public Safety succeeded the previous Committee of General Defence and assumed its role of protecting the newly established republic against foreign attacks and internal rebellion. As a wartime measure, the Committee—composed at first of nine and later of twelve members—was given broad supervisory powers over military, judicial and legislative efforts. It was formed as an administrative body to supervise and expedite the work of the executive bodies of the Convention and of the government ministers appointed by the Convention. As the Committee tried to meet the dangers of a coalition of European nations and counter-revolutionary forces within the country, it became more and more powerful.
It made the armies more flexible and easy to maneuver, and it also made the large army of the revolution manageable. Under Napoleon, the divisions were grouped together into corps, because of their increasing size. Napoleon's military success spread the divisional and corps system all over Europe; by the end of the Napoleonic Wars, all armies in Europe had adopted it.
The divisional system reached its numerical height during the Second World War. The Soviet Union's Red Army consisted of more than a thousand division-sized units at any one time, and the number of rifle divisions raised during the Great Patriotic War is estimated at 2,000. Nazi Germany had hundreds of numbered and/or named divisions, while the United States employed up to 91 divisions.
A notable change to divisional structures during the war was completion of the shift from square divisions (composed of two brigades each with two regiments) to triangular divisions (composed of three regiments with no brigade level) that many European nations started using in World War I.This was done to increase flexibility and pare down chain of command overhead. The triangular division allowed the tactic of "two forward, one back", where two of the division's regiments would be engaging the enemy with one regiment in reserve.
All divisions in World War II were expected to have their own artillery formations, usually the size of a regiment depending upon the nation. Divisional artillery was occasionally seconded by corps level command to increase firepower in larger engagements.
Regimental combat teams were used by the US during the war as well, whereby attached and/or organic divisional units were parceled out to infantry regiments, creating smaller combined-arms units with their own armor and artillery and support units. These combat teams would still be under divisional command but have some level of autonomy on the battlefield.
Organic units within divisions were units which operated directly under Divisional command and were not normally controlled by the Regiments. These units were mainly support units in nature, and include signal companies, medical battalions, supply trains and administration.
Attached units were smaller units that were placed under Divisional command temporarily for the purpose of completing a particular mission. These units were usually combat units such as tank battalions, tank destroyer battalions and cavalry reconnaissance squadrons.
In modern times, most military forces have standardized their divisional structures. This does not mean that divisions are equal in size or structure from country to country, but divisions have, in most cases, come to be units of 10,000 to 20,000 soldiers with enough organic support to be capable of independent operations. Usually, the direct organization of the division consists of one to four brigades or battle groups of its primary combat arm, along with a brigade or regiment of combat support (usually artillery) and a number of direct-reporting battalions for necessary specialized support tasks, such as intelligence, logistics, reconnaissance, and combat engineers. Most militaries standardize ideal organization strength for each type of division, encapsulated in a Table of Organization and Equipment (TO&E) which specifies exact assignments of units, personnel, and equipment for a division.
The modern division became the primary identifiable combat unit in many militaries during the second half of the 20th century, supplanting the brigade; however, the trend started to reverse since the end of the Cold War. The peak use of the division as the primary combat unit occurred during World War II, when the belligerents deployed over a thousand divisions. With technological advances since then, the combat power of each division has increased.
The last major conventional war that saw divisions in a prime role was the 1991 Gulf War, which saw divisions operating in a corps structure and which reflected the organizational doctrines of the recently ended Cold War. By contrast, the Invasion of Iraq in 2003 involved only a handful of divisions but significant support forces and modular Brigade Combat Teams.
Divisions are often formed to organize units of a particular type together with appropriate support units to allow independent operations. In more recent times, divisions have mainly been organized as combined arms units with subordinate units representing various combat arms. In this case, the division often retains the name of a more specialized division, and may still be tasked with a primary role suited to that specialization.
"Infantry division" refers to a military formation composed primarily of infantry units, also supported by units from other combat arms. In the Soviet Union and Russia, an infantry division is often referred to as a "rifle division". A "motorised infantry" division refers to a division with a majority of infantry subunits transported on soft-skinned motor vehicles. A "mechanized infantry" division refers to a division with a majority of infantry subunits transported on armored personnel carriers (APCs) or infantry fighting vehicles (IFVs) or both, or even some other class of armored fighting vehicles designed for the transportation of infantry. Mechanized infantry divisions in Nazi Germany were called " Panzergrenadier divisions". In Russia, they were known as "motor rifle divisions".
Because of the ease and simplicity involved in forming divisions of infantry compared to other formations, infantry divisions have often been the most numerous in historical warfare. Most US divisions during World War II were infantry divisions.
Infantry divisions were also expected to travel by foot from place to place, with transport vehicles or pack horses used to augment their travel. Divisions evolved over the course of time. For instance, in 1944, Nazi Germany designated some of their infantry formations as Volksgrenadier divisions, which were slightly smaller than the regular divisions, with wider issue of sub-machine guns, automatic and anti-tank weapons to reflect the reality that they were to be used in defensive warfare. In 1945, Nazi Germany seconded members of the Kriegsmarine to create "naval divisions", which were of lower quality that the infantry divisions of the Army. They also created "Luftwaffe field divisions" from members of the Luftwaffe .
Infantry divisions were sometimes given the responsibility of garrison work. These were named "frontier guard divisions", "static infantry divisions" and "fortress divisions", and were mainly used by Nazi Germany.
For most nations, cavalry was deployed in smaller units and was not therefore organized into divisions, but for larger militaries, such as that of the British Empire, United States, First French Empire, France, German Empire, Nazi Germany, Russian Empire, Empire of Japan, Second Polish Republic and Soviet Union, a number of cavalry divisions were formed. They were most often similar to the nations' infantry divisions in structure, although they usually had fewer and lighter support elements, with cavalry brigades or regiments replacing the infantry units, and supporting units, such as artillery and supply, being horse-drawn. For the most part, large cavalry units did not remain after World War II.
While horse cavalry had been found to be obsolete, the concept of cavalry as a fast force capable of missions traditionally fulfilled by horse cavalry made a return to military thinking during the Cold War. In general, two new types of cavalry were developed: air cavalry or airmobile, relying on helicopter mobility, and armored cavalry, based on an autonomous armored formation. The former was pioneered by the 11th Air Assault Division (Test), formed on 1 February 1963 at Fort Benning, Georgia. On 29 June 1965, the division was renamed the 1st Cavalry Division (Airmobile), before its departure for the Vietnam War.
After the end of the Vietnam War, the 1st Cavalry Division was reorganised and re-equipped with tanks and armored scout vehicles to form armored cavalry.
The concept of a fast-moving, armored reconnaissance force has remained in modern armies, but these units are now smaller and make up a combined arms force used in modern brigades and divisions, and are no longer granted divisional status.
"Light divisions" were German horse cavalry divisions organized early in World War II which included motorized units.
The development of the tank during World War I prompted some nations to experiment with forming them into division-size units. Many did this the same way as they did cavalry divisions, by merely replacing cavalry with AFVs (including tanks) and motorizing the supporting units. This proved unwieldy in combat, as the units had many tanks but few infantry units. Instead, a more balanced approach was taken by adjusting the number of tank, infantry, artillery, and support units.
The terms "tank division" or "mechanized division" are alternative names for armored divisions. A "Panzer division" was an armoured division of the Wehrmacht and the Waffen-SS of Germany during World War II.
Since the end of the war, most armoured and infantry divisions have had significant numbers of both tank and infantry units within them. The difference has usually been in the mix of battalions assigned. Additionally, in some militaries, armoured divisions are equipped with more advanced or powerful tanks than other divisions.
Mountain divisions are infantry divisions given special training and equipment to operate in hilly, mountainous or arctic areas. Some examples of these formations include the US 10th Mountain Division and the German 1st Ski Division.
Nazi Germany also organized "Jäger divisions" to operate in more adverse terrain.
Italian Mountain divisions are called "Alpini divisions".
An airborne division is an infantry division given special training and equipment for air transport.
The US, Britain and Germany experimented during World War II with specialized light infantry divisions capable of being quickly transported by transport aircraft, or dropped into an area by parachute or glider. This required both high quality equipment and training, creating elite units in the process and usually manned by volunteers rather than conscripts.
The German 1st Parachute Division, which was part of the Luftwaffe and not the Heer, was instrumental in the 1941 Battle of Crete. US and British airborne troops first participated during the 1943 invasion of Sicily. The use of airborne divisions during the Invasion of Normandy was crucial to its success. Further allied paratroop operations were made during the 1944 Operation Market Garden and the 1945 Operation Varsity.
When not being used for a specific airborne mission, airborne divisions usually functioned as light infantry divisions.
An "air assault division" is an airborne division that mainly uses helicopters to transport its troops around.
The Soviet Union developed the concept of the specialized "artillery division" during the Eastern Front of the Second World War in 1942, although plans were in place since the later stages of the Russian Civil War.
Nazi Germany organized Security divisions to operate in captured territory to provide rear-echelon security against partisans and maintain order among civilians. Structured like an infantry division, a security division was more likely to contain lower quality troops and was not intended to serve directly at the front. SS units of this type were called "SS Polizei divisions".
The Soviet Union organized NKVD divisions to act as security divisions. In a few cases, NKVD divisions were employed in front-line combat as rifle divisions.
Divisions are commonly designated by combining an ordinal number and a type name (e.g.: "13th Infantry Division"). Nicknames are often assigned or adopted, although these often are not considered an official part of the unit's nomenclature. In some cases, divisional titles lack an ordinal number, often in the case of unique units or units serving as elite or special troops. For clarity in histories and reports, the nation is identified before the number. This also helps in historical studies, but due to the nature of intelligence on the battlefield, division names and assignments are at times obscured. However, the size of the division rarely makes such obfuscation necessary.
In the years leading up to the end of the cold war and beyond, the type names of various divisions became less important. The majority of US Infantry divisions were now mechanized and had significant numbers of tanks and IFVs, becoming de facto armored divisions. US armored divisions had more tanks but less infantry than these infantry divisions. Moreover, the sole cavalry division was structured the same way as an armored division.
With the introduction of modular brigade combat teams (BCT) in modern divisions, the nomenclature type is even less important, since a division can now be made of up any combination of light infantry, Stryker and armored BCTs. For example, the US 1st Infantry Division currently consists of two armored BCTs along with support troops, with no light infantry units at all. By contrast, the current 1st Armored Division consists of two armored BCTs and a Stryker BCT along with its support troops.
Nevertheless, some US division types will retain their mission: The 82nd and 101st airborne divisions have airborne infantry BCTs, while the 10th Mountain Division has only light infantry BCTs.
Historically, the Australian Army has fielded a number of divisions. During World War I, a total of six infantry divisions were raised as part of the all-volunteer Australian Imperial Force: 1st, 2nd, 3rd, 4th, 5th and 6th. The 1st Division and part of the 2nd saw service during the Gallipoli Campaign in 1915 before later taking part in the fighting on the Western Front between 1916 and 1918 along with the 3rd, 4th and 5th. – the Australian Mounted Division (which also included some British and French units) and the ANZAC Mounted Division – both of which served in the Sinai and Palestine Campaign during the war.The 6th Division existed only briefly in 1917, but was disbanded without seeing combat to make up for manpower shortages in the other divisions. Another infantry division, known as the New Zealand and Australian Division, was also formed from Australian and New Zealand troops and saw service at Gallipoli. Two divisions of Australian Light Horse were also formed
In the inter-war years, on paper the Australian Army was organised into seven divisions: five infantry (1st through to 5th) and two cavalry, albeit on a reduced manning scale. – the 6th, 7th, 8th and 9th – were raised as part of the all-volunteer Second Australian Imperial Force, while the others formed part of the Militia, and were maintained through a mixture of volunteers and conscripts. In addition to the infantry divisions, three armoured divisions were formed: 1st, 2nd and 3rd. The Australian divisions were used in various campaigns, ranging from North Africa, Greece, Syria and Lebanon, to the South West Pacific.During World War II, the size of Australia's force was expanded to eventually include 12 infantry divisions: 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th and 12th. Of these, four
Since the end of World War II, the number of divisions has fallen significantly as the Australian Army has concentrated its force generation at brigade level. Three divisions – the 1st, 2nd and 3rd – have existed during this time, but the 3rd Division was disbanded in 1991, and only two divisions currently remain active. The 1st Division is a skeleton organisation that acts as a deployable force headquarters, while the 2nd is a Reserve formation.
The 9th Infantry Division was raised on 20 November 1975 in Dhaka as the first division of the Bangladesh Army. Currently, Bangladesh Army has ten infantry divisions under its command. Each infantry division consists of one artillery brigade, 3 or 4 infantry brigades/regiments. In addition, few divisions have one armored brigade each. The active infantry divisions are-
The Brazilian Army currently has four army divisions: the 1st Army Division based in Rio de Janeiro and subordinated to the Eastern Military Command, the 2nd Army Division, based in São Paulo and subordinated to the Military Command of the Southeast and 3rd Army Division, based in Santa Maria - RS and the 5th Army Division based in Curitiba - PR, the latter two being linked to the Southern Military Command.
The other military forces of the Brazilian Army are subordinated directly to the area military commands, not having a commanding division. In this case, the employment of these troops is coordinated by the operations coordinating center of the area military commands.
The first division-sized formation raised by the Canadian military was the First Contingent of the Canadian Expeditionary Force; raised in 1914, it was renamed the Canadian Division in early 1915 when it took to the field, and became the 1st Canadian Division when a 2nd Canadian Division took to the field later that year. A 3rd Canadian Division and 4th Canadian Division saw service in France and Flanders, and a Fifth Canadian Division was disbanded in the United Kingdom and broken up for reinforcements. The four divisions (collectively under the command of the Canadian Corps) were disbanded in 1919.
Canada had nominal divisions on paper between the wars, overseeing the Militia (part-time reserve forces), but no active duty divisions. On 1 September 1939, two divisions were raised as part of the Canadian Active Service Force; a Third Division was raised in 1940, followed by a First Canadian (Armoured) Division and Fourth Canadian Division. The First Armoured was renamed the Fifth Canadian (Armoured) Division and the Fourth Division also became an armoured formation. The 1st and 5th Divisions fought in the Mediterranean between 1943 and early 1945; the 2nd, 3rd and 4th Divisions served in Northwest Europe. A Sixth, Seventh and Eighth Division were raised for service in Canada, with one brigade of the Sixth Division going to Kiska in 1943. By 1945, the latter three divisions were disbanded as the threat to North America diminished. A Third Canadian Division (Canadian Army Occupation Force) was raised in 1945 for occupation duty in Germany, organized parallel to the combatant Third Division, and a Sixth Canadian Division (Canadian Army Pacific Force) was undergoing formation and training for the invasion of Japan when the latter country surrendered in September 1945. All five combatant divisions, as well as the CAOF and CAPF, were disbanded by the end of 1946.
A First Canadian Division Headquarters (later renamed simply First Division) was authorized once again in April 1946, but remained dormant until formally disbanded in July 1954. Simultaneously, however, another "Headquarters, First Canadian Infantry Division" was authorized as part of the Canadian Army Active Force (the Regular forces of the Canadian military), in October 1953. This, the first peacetime division in Canadian history, consisted of a brigade in Germany, one in Edmonton and one at Valcartier. This division was disbanded in April 1958.
The First Canadian Division was reactivated in 1988 and served until the 1990s when the headquarters of the division was transformed into the Canadian Forces Joint Headquarters and placed under the control of the Canadian Expeditionary Force Command. The CFJHQ was transformed back into Headquarters, 1st Canadian Division, on 23 June 2010, the unit once more falling under the control of the Canadian Army. The unit is based at Kingston. Canada currently has five divisions under its command.
The 1st Canadian Division has approximately 2000 troops under its command, while the 2nd Canadian Division, 3rd Canadian Division, 4th Canadian Division, and 5th Canadian Division have approximately 10,000 troops each.[ citation needed ]
The People's Liberation Army Ground Force (PLAGF) is the world's largest ground force, currently totaling some 1.6 million personnel. The ground forces are divided into five Theater Commands. The regular forces of the ground forces consist of 18 group armies: corps-size combined arms units each with 24,000–50,000 personnel. The group armies contained among them:
As of 2011, the PLA went from a division-dominated structure to a brigade-dominated one. Until 2017, there were a further three airborne divisions in the 15th Airborne Corps, but these were reformed into six airborne brigades and a special operations brigade as part of a reform program aimed at reorganizing all PLA divisions into brigades.
The NRA Division (Chinese :整編師,編制師) was a military unit of the Republic of China. The original pattern of the infantry division organization of the early Republic was a square division. It was formed with two infantry brigades of two infantry regiments of three infantry battalions, an artillery regiment of fifty four guns and eighteen machineguns, a cavalry regiment of twelve squadrons, an engineer battalion of four companies, a transport battalion of four companies, and other minor support units.
In the mid-1930s, the Nationalist government with the help of German advisors attempted to modernize their army and intended to form sixty Reorganized Divisions and a number of reserve divisions. Under the strains and losses of the early campaigns of the Second Sino-Japanese War, the Chinese decided in mid-1938 to standardize their Divisions as triangular divisions as part of their effort to simplify the command structure and placed them under Corps, which became the basic tactical units. The remaining scarce artillery and the other support formations were withdrawn from the Division and were held at Corps or Army level or even higher. During the Second Sino-Japanese War, the Chinese Republic mobilized at least 310 infantry divisions, 23 cavalry divisions, and one mechanized division (the 200th Division).
In the Colombian Army, a division is formed by two or more brigades and is usually commanded by a major general. Today, the Colombian Army has eight active divisions:
On July 1, 1999, France transformed all its divisions into brigades. The division level (niveau divisionnaire) was reintroduced on July 1, 2016. The French Army has now two active combined divisions:
Each division consists of 25,000 personnel and is made up of three brigades (one light, one medium and one heavy). The 1st Division also included the French elements of the Franco-German Brigade.
There are also 11 "division level" (niveau divisionnaire) specialized commands :
The German Army has three divisions:
With 1.13 million soldiers in active service, the Indian Army is the world's second largest. An Indian Army division is intermediate between a corps and a brigade. Each division is headed by a General Officer Commanding (GOC) holding the rank of major general. It usually consists of 15,000 combat troops and 8,000 support elements. Currently, the Indian Army has 37 divisions: four RAPIDs ("Reorganised Army Plains Infantry Divisions"), 18 infantry, 10 mountain, three armoured and two artillery. Each division consists of several brigades.
The Indonesian Army has 3 infantry divisions (Indonesian: Divisi) within the Kostrad strategic command which plays a role for strategic defense operations. Aside from the infantry divisions, the Indonesian Army also hosts operational combat units from the territorial commands known as "Kodams", which are equivalent to divisions. The infantry divisions from Kostrad are:
The Indonesian Marine Corps also operates 2 divisions which are:
The Israeli Defense Forces operates 11 divisions of various sizes that are separated into three categories: regular, territorial and reserve.
Divisions in reserve:
Japan Ground Self-Defense Force divisions are combined arms units with infantry, armored, and artillery units, combat support units and logistical support units. They are regionally independent and permanent entities. The divisions strength varies from 6,000 to 9,000 personnel. The division commander is a lieutenant general.
JGSDF currently has nine active duty divisions (one armored, eight infantry):
An Army division in the Pakistan Army is an intermediate between a corps and a brigade. It is the largest striking force in the army. Each division is headed by a General Officer Commanding (GOC) holding the rank of major general. It usually consists of 15,000 combat troops and 8,000 support elements. Currently, the Pakistani Army has 29 divisions: 20 infantry, two armoured, two mechanized, two air defence, two strategic and one artillery. Each division consists of several brigades.
South Africa has fielded several infantry and armoured divisions in its military history:
In the British Army, a division is commanded by a major general with a WO1 as the Brigade Sergeant Major (BSM) and may consist of three infantry, mechanised and/or armoured brigades and supporting units.
Currently, the British Army has three active divisions:
The British Army previously had three other divisions.
Additionally, most of the infantry regiments of the British Army are organised for administrative purposes into a number of organisations called "divisions":
A divisional unit in the United States Army typically consists of 17,000 to 21,000 soldiers, but can grow up to 35 - 40,000 with attached support units during operations, and are commanded by a major general. Two divisions usually form a corps and each division consists of three maneuver brigades, an aviation brigade, an engineer brigade, and division artillery (latter two excluded from divisional structure as of 2007), along with a number of smaller specialized units. In 2014, divisional artillery (DIVARTY) organizations began to re-appear, with some fires brigades reorganizing to fill this role.
The United States Army currently has ten active divisions and one deployable division headquarters (7th Infantry Division):
The Army National Guard has a further eight divisions:
There are further nine divisions within the Army Reserve that are responsible for training and support operations:
The United States Marine Corps has a further three active divisions and one reserve division. They consist of a headquarters battalion, two or three infantry regiments, an artillery regiment, and a reconnaissance battalion. Additionally, all Marine divisions (MARDIV), except 3rd MARDIV, have an assault amphibian (AA) battalion, a tank battalion, a light armored reconnaissance (LAR) battalion (two in 1st MARDIV), and a combat engineer (CE) battalion (two in 1st MARDIV). (3rd MARDIV has a combat assault battalion including one company each of AA, LAR, and CE. Tank support for 3rd MARDIV can be provided by tanks deployed with the 31st MEU or directly from one of the three divisional tank battalions under the Unit Deployment Program.)
Republic of Korea Army divisions are major tactical formations led by and general officers. There are currently 39 Army and two Marine divisions. Of the 41 Army divisions, six are mechanized infantry divisions (combined arms formations centered around tanks, IFVs, APCs, and SPGs), 16 are infantry divisions (motorized divisions with various levels of mechanization), 12 are "Homeland Infantry Divisions" (향토보병사단, infantry divisions kept at a 40-50% manpower level, to be reinforced during national emergencies) and seven "Reserve Infantry Divisions" (동원보병사단, infantry divisions kept at 10-20% manpower level, to be reinforced during national emergencies). There are two Marine divisions organized similarly to their American counterparts. Though similarly formed, the 1st ROK Marine Division is specialized to perform amphibious landing operations while the 2nd ROK Marine Division performs more security operations and mans a sector of the DMZ facing the North Korean border.
Republic of Korea Army divisions are typically smaller than their foreign counterparts. Mechanized infantry divisions are fully formed at around 9,900, infantry divisions are fully formed at about 11,500 men, and other types of divisions are smaller in size during normal operations according to their reserve manpower levels. There are very few articles discussing ROK Marine Corps tactical organization, but an active duty force of 29,000 is divided into two divisions, two brigades, and its supporting units.
Mechanized infantry, infantry, Homeland Infantry, and Marine divisions are led by major generals, while Reserve Infantry Divisions are led by brigadier generals.
List of South Korean Armed Forces Divisions:
Please note that no major Republic of Korea Armed Forces formation contains the number four in their name.
The ROK Marine Corps has a further two divisions numbering around 10,000 men each:
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In the Soviet Armed Forces, a division (Russian : diviziya, дивизия) may have referred to a formation in any of the armed services, and included subunits appropriate to the service such as regiments and battalions, squadrons or naval vessels. Almost all divisions, irrespective of the service, had the 3+1+1 structure of major sub-units, which were usually regiments.
There is also a similarly sounding unit of military organization in Russian military terminology, called divizion (дивизион). A divizion is used to refer to an artillery or cavalry battalion, a specific part of a ship's crew (korabel'nyy divizion, 'ship battalion'), or a group of naval vessels (divizion korabley).
In Imperial Russia, infantry formations were designated as (Russian : pekhoty), 'infantry'. But on 11 October 1918, all such formations in the new Red Army were re-designated as (Russian : strelkovaya, 'rifle'. This was deliberately chosen as a means of breaking with the Imperial past, while also giving these troops a sense of being an elite; in the Imperial Army, the riflemen had been the best of the foot soldiers outside the Guards. The new designation also hearkened back to the Streltsy of the 16th to early 18th Centuries, which were also elite troops.
Before the Second World War, besides the mechanised corps, there were independent tank battalions within rifle divisions. These were meant to reinforce rifle units for the purpose of breaching enemy defences. They had to act in cooperation with the infantry without breaking away from it and were called tanks for immediate infantry support (Russian : tanki neposredstvennoy podderzhki pekhoty).
After 1945, some Red Army rifle divisions were converted to mechanised divisions. From 1957, all rifle and mechanised divisions became "motorised rifle divisions" (MRDs). These divisions usually had approximately 12,000 soldiers organized into three motor rifle regiments, a tank regiment, an artillery regiment, an air defense regiment, surface-to-surface missile and antitank battalions, and supporting chemical, engineer, signal, reconnaissance, and rear services companies.A typical tank division had some 10,000 soldiers organized into three tank regiments and one motorized rifle regiment, all other sub-units being same as the MRD.
A typical Soviet "frontal aviation division" consisted of three air regiments, a transport squadron, and associated maintenance units. The number of aircraft within a regiment varied. Fighter and fighter-bomber regiments were usually equipped with about 40 aircraft (36 of the primary unit type and a few utility and spares), while bomber regiments typically consisted of 32 aircraft. Divisions were typically commanded by colonels or major generals, or colonels or major generals of aviation in the Air Force. Soviet Naval Aviation and the Strategic Missile Forces divisions had either colonels or major generals as commanding officers while the ship divisions were led by captains 1st rank or captains 2nd rank.
After the dissolution of the Soviet Union, Russian tank and motorized-rifle divisions were reduced to near-cadre state, many being designated "bases for storage of weapons and equipment" (Russian acronym BKhVT). These bases, or "cadre" divisions, were equipped with all the heavy armaments of a full-strength motor-rifle or tank division, while having only skeleton personnel strength, as low as 500 personnel. The officers and men of a cadre division focus primarily on maintaining the equipment in working condition. During wartime mobilization, such a division would be reinforced up to full manpower strength; however, in peacetime, a cadre division is unfit for any combat.
After the 2008 Russian military reforms, most active divisions were disbanded or converted into brigades. Exceptions are the:
In 2013, the following divisions were reactivated:
In 2016, five more divisions were reformed:
2018 saw the reactivation of yet another, the 127th Motor Rifle Division.
In addition to the Army divisions, a division is currently on active duty within the ranks of the National Guard of Russia:
Also, a number of Aviation Divisions and Air Defense Divisions have been reactivated within the Russian Air Force.
The 3rd Infantry Division is a combined arms and mechanized infantry division of the United States Army based at Fort Stewart, Georgia. It is a direct subordinate unit of the XVIII Airborne Corps and U.S. Army Forces Command. Its current organization includes one Infantry Brigade Combat Team and two armored brigade combat teams, one aviation brigade, a division artillery and support elements. The division has a distinguished history, having seen active service in both World War I and World War II.
The 2nd Armored Division was an armored division of the United States Army. The division played an important role during World War II in the invasions of North Africa and Sicily and the liberation of France, Belgium, and the Netherlands and the invasion of Germany. During the Cold War, the division was primarily based at Fort Hood, Texas, and had a reinforced brigade forward stationed in Garstedt, West Germany. After participation in the Persian Gulf War, the division was inactivated in 1995. Its units were later transferred to the 4th Infantry Division.
The 3rd Armored Division ("Spearhead") was an armored division of the United States Army. Unofficially nicknamed the "Third Herd," the division was first activated in 1941, and was active in the European Theater of World War II. The division was stationed in West Germany for much of the Cold War, and participated in the Persian Gulf War. On 17 January 1992, in Germany, the division ceased operations. In October 1992 it was formally inactivated as part of a general drawing down of forces at the end of the Cold War.
The Italian Army is the land-based component of the Italian Armed Forces of the Italian Republic. The army's history dates back to the unification of Italy in the 1850s and 1860s. The army fought in colonial engagements in China, Libya, Northern Italy against the Austro-Hungarian Empire during World War I, Abyssinia before World War II and in World War II in Albania, Balkans, North Africa, Russia and Italy itself. During the Cold War, the army prepared itself to defend against a Warsaw Pact invasion from the east. Since the end of the Cold War, the army has seen extensive peacekeeping service and combat in Afghanistan and Iraq. Its best-known combat vehicles are the Dardo infantry fighting vehicle, the Centauro tank destroyer and the Ariete tank and among its aircraft the Mangusta attack helicopter, recently deployed in UN missions. The headquarters of the Army General Staff are located in Rome opposite the Quirinal Palace, where the president of Italy resides. The army is an all-volunteer force of active-duty personnel.
Fort Polk is a United States Army installation located in Vernon Parish, approximately ten miles east of Leesville, Louisiana, and thirty miles north of DeRidder in Beauregard Parish, Louisiana.
United States Army Forces Command (FORSCOM) is the largest United States Army command and provider of expeditionary, regionally engaged, campaign-capable land forces to combatant commanders. Headquartered at Fort Bragg, North Carolina, FORSCOM consists of more than 750,000 active Army, U.S. Army Reserve, and Army National Guard soldiers. FORSCOM provides enhanced land power gaining operational depth and versatility through a mix of fully integrated Active and Reserve Component forces operating in a joint, interagency, intergovernmental, and multinational (JIIM) environment. Its organizations are expeditionary, campaign focused, and tailorable to provide combatant commanders the required capabilities to be decisive across the range of military operations. FORSCOM was created on July 1, 1973, from the former Continental Army Command (CONARC).
Reconnaissance, surveillance, and target acquisition (RSTA), is a type of unit in the United States Army. RSTA units are small reconnaissance units based on cavalry squadrons, and act at the squadron (battalion) level as a brigade reconnaissance team for the regiment (brigade).
A regimental combat team (RCT) is a provisional major infantry unit of the United States Marine Corps to the present day and of the United States Army during World War II and the Korean War. It is formed by augmenting a regular infantry regiment with smaller tank, artillery, combat engineer, mechanized, cavalry, reconnaissance, signal corps, air defense, quartermaster, military police, medical, and other support units to enable it to be a self-supporting organization in the combat field.
The United States Army Regimental System (USARS) was established in 1981 to replace the Combat Arms Regimental System, to provide each soldier with continuous identification with a single regiment, and to increase a soldier's probability of serving recurring assignments with his or her regiment. The USARS was intended to enhance combat effectiveness by providing the opportunity for a regimental affiliation, thus obtaining some of the benefits of the traditional regimental system.
The 194th Armored Brigade is a separate brigade of the US Army.
The 3rd Brigade Combat Team, 1st Cavalry Division is a combined arms armored brigade of the 1st Cavalry Division. Its major equipment includes M1A2SEP Tanks, M2A3 & M3A3 Bradley infantry fighting vehicles, M109A6 Paladin howitzers, and M1114 up-armored Humvees.
The 73rd Cavalry Regiment is a Cavalry Regiment in the United States Army, first formed in 1941. The three squadrons of the 73rd Cavalry Regiment provide reconnaissance, surveillance and target acquisition (RSTA) to the Brigade Combat Teams of the 82nd Airborne Division. 3rd Squadron is assigned to 1st Brigade, 1st Squadron is assigned to 2nd Brigade, and the 5th Squadron is assigned to 3rd Brigade.
A Combat Command was a combined-arms military organization of comparable size to a brigade or regiment employed by armored forces of the United States Army from 1942 until 1963. The structure of combat commands was task-organized and so the forces assigned to a combat command often varied from mission to mission.
The U.S. 41st Infantry Regiment is a regiment of the United States Army. Its 1st Battalion is currently assigned to the 2nd Infantry Brigade Combat Team, 4th Infantry Division. Its 3rd Battalion is assigned to the 1st Stryker Brigade Combat Team, 1st Armored Division.
The Granatieri di Sardegna Mechanized Brigade is a mechanized infantry brigade of the Italian Army, based in Rome and central Italy. The brigade fields one of the oldest regiments of the Army and is one of the guard regiments of the Italian president. The name of the unit dates back to the Kingdom of Sardinia and not the eponymous Mediterranean island of Sardinia. The brigade is part of the Division "Acqui".
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