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Armoured warfare or armored warfare (mechanized forces, armoured forces or armored forces) (
American English American English, sometimes called United States English or U.S. English, is the set of variety (linguistics), varieties of the English language native to the United States. English is the Languages of the United States, most widely spoken lan ...
; see spelling differences), is the use of
armored fighting vehicle An armoured fighting vehicle (AFV) is an armed combat vehicle protected by armour, generally combining operational mobility with offensive and defensive capabilities. AFVs can be wheeled or tracked. Examples of AFVs are tanks, armoured cars, ...
s in
modern warfare Modern warfare is warfare that is in notable contrast with previous military concepts, methods, and technology, emphasizing how combatants must modernize to preserve their battle worthiness. As such, it is an evolving subject, seen different ...
. It is a major component of modern methods of war. The premise of armoured warfare rests on the ability of troops to penetrate conventional
defensive Defense or defence may refer to: Tactical, martial, and political acts or groups * Defense (military), forces primarily intended for warfare * Civil defense, the organizing of civilians to deal with emergencies or enemy attacks * Defense indust ...
lines through use of manoeuvre by armoured units. Much of the application of armoured warfare depends on the use of
tank A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engin ...
s and related vehicles used by other supporting arms such as
infantry fighting vehicle An infantry fighting vehicle (IFV), also known as a mechanized infantry combat vehicle (MICV), is a type of armoured fighting vehicle used to carry infantry into battle and provide direct-fire support. The 1990 Treaty on Conventional Armed Forc ...
s,
self-propelled artillery Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer, self-propelled ...
, and other combat vehicles, as well as mounted combat engineers and other support units. The
doctrine Doctrine (from la, doctrina, meaning "teaching, instruction") is a codification of beliefs or a body of teachings or instructions, taught principles or positions, as the essence of teachings in a given branch of knowledge or in a belief system ...
of armoured warfare was developed to break the static nature of
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
trench warfare Trench warfare is a type of land warfare using occupied lines largely comprising military trenches, in which troops are well-protected from the enemy's small arms fire and are substantially sheltered from artillery. Trench warfare became a ...
on the Western Front, and return to the 19th century school of thought that advocated manoeuvre and
decisive battle A decisive victory is a military victory in battle that definitively resolves the objective being fought over, ending one stage of the conflict and beginning another stage. Until a decisive victory is achieved, conflict over the competing objecti ...
outcomes in
military strategy Military strategy is a set of ideas implemented by military organizations to pursue desired strategic goals. Derived from the Greek word '' strategos'', the term strategy, when it appeared in use during the 18th century, was seen in its narrow s ...
.


World War I

Modern armoured warfare began during the
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
of 1914–1918. Strategists wanted to break the
tactical Tactic(s) or Tactical may refer to: * Tactic (method), a conceptual action implemented as one or more specific tasks ** Military tactics, the disposition and maneuver of units on a particular sea or battlefield ** Chess tactics ** Political tacti ...
,
operational An operational definition specifies concrete, replicable procedures designed to represent a construct. In the words of American psychologist S.S. Stevens (1935), "An operation is the performance which we execute in order to make known a concept." F ...
and strategic
stalemate Stalemate is a situation in the game of chess where the player whose turn it is to move is not in check and has no legal move. Stalemate results in a draw. During the endgame, stalemate is a resource that can enable the player with the inferior ...
s forced on commanders on the Western Front by the effectiveness of entrenched defensive infantry armed with
machine gun A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles) a ...
s—known as
trench warfare Trench warfare is a type of land warfare using occupied lines largely comprising military trenches, in which troops are well-protected from the enemy's small arms fire and are substantially sheltered from artillery. Trench warfare became a ...
. Under these conditions, attacks usually advanced very slowly and incurred massive casualties. The developers of tanks aimed to return manoeuvre to warfare, and found a practical way to do so: providing caterpillar traction to machine guns allowing them to overcome trenches, while at the same time offering them armour protection against
small-arms A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions). The first firearms originated in 10th-century China, when bamboo tubes ...
(pistol, rifle, and machine gun) fire as they were moving. Britain and France first developed tanks in 1915 as a way of navigating the
barbed wire A close-up view of a barbed wire Roll of modern agricultural barbed wire Barbed wire, also known as barb wire, is a type of steel fencing wire constructed with sharp edges or points arranged at intervals along the strands. Its primary use is t ...
and other obstacles of
no-man's land No man's land is waste or unowned land or an uninhabited or desolate area that may be under dispute between parties who leave it unoccupied out of fear or uncertainty. The term was originally used to define a contested territory or a dump ...
while remaining protected from machine-gun fire. British Mark I tanks first went into action at the Somme on 15 September 1916, but did not manage to break the deadlock of trench warfare. The first French employment of tanks, on 16 April 1917, using the Schneider CA, also failed to live up to expectations. In the
Battle of Cambrai (1917) The Battle of Cambrai (Battle of Cambrai, 1917, First Battle of Cambrai and ''Schlacht von Cambrai'') was a British attack in the First World War, followed by the biggest German counter-attack against the British Expeditionary Force (BEF) sinc ...
(November to December 1917) British tanks were more successful, and broke a German trenchline system, the
Hindenburg Line The Hindenburg Line (German: , Siegfried Position) was a German defensive position built during the winter of 1916–1917 on the Western Front during the First World War. The line ran from Arras to Laffaux, near Soissons on the Aisne. In 191 ...
. Despite the generally unpromising beginnings, the military and political leadership in both Britain and France during 1917 backed large investment into armoured-vehicle production. This led to a sharp increase in the number of available tanks for 1918. The
German Empire The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary ...
, on the contrary, produced only a few tanks, late in the war. Twenty German
A7V The A7V was a heavy tank introduced by Germany in 1918 during World War I. One hundred chassis were ordered in early 1917, ten to be finished as fighting vehicles with armoured bodies, and the remainder as ''Überlandwagen'' cargo carriers. Th ...
tanks were produced during the entire conflict, compared to over 4,400 French and over 2,500 British tanks of various kinds. Nonetheless, World War I saw the first tank-versus-tank battle, during the
Second Battle of Villers-Bretonneux The Second Battle of Villers-Bretonneux (also Actions of Villers-Bretonneux, after the First Battles of the Somme, 1918) took place from 24 to 27 April 1918, during the German spring offensive to the east of Amiens. It is notable for being the ...
in April 1918, when a group of three German A7V tanks engaged a group of three British
Mark IV tank The Mark IV (pronounced ''Mark four'') was a British tank of the First World War. Introduced in 1917, it benefited from significant developments of the Mark I tank (the intervening designs being small batches used for training). The main impro ...
s which they met accidentally. After the final German spring offensives of 21 March to 18 July 1918, the Entente deployed tanks ''en masse'' at the Battle of Soissons (18 to 22 July 1918) and Battle of Amiens (August 1918), which ended the stalemate imposed by trench warfare on the Western Front, and thus effectively ended the war. Tactically, deployment plans for armour during the war typically placed a strong emphasis on direct support for infantry. The tank's main tasks were seen as crushing barbed-wire and destroying machine-gun nests, facilitating the advance of foot soldiers. Theoretical debate largely focused on the question of whether to use a "swarm" of light tanks for this, or a limited number of potent heavy vehicles. Though in the Battle of Cambrai a large concentration of British heavy tanks effected a breakthrough, it was not exploited by armour. The manoeuvrability of the tank should at least in theory regain armies the ability to
flank Flank may refer to: * Flank (anatomy), part of the abdomen ** Flank steak, a cut of beef ** Part of the external anatomy of a horse * Flank speed, a nautical term * Flank opening, a chess opening * A term in Australian rules football * The si ...
enemy lines. In practice, tank warfare during most of World War I was hampered by the technical immaturity of the new weapon system, limiting speed, operational range, and reliability, and a lack of effective armoured tactics. Strategic use of tanks developed only slowly during and immediately after World War I, partly due to these technical limits but also due to the prestige role traditionally accorded to horse-mounted cavalry. An exception, on paper, was the
Plan 1919 Plan 1919 was a military strategy drawn up by J.F.C. Fuller in 1918 during World War I. His plan criticised the practice of physically destroying the enemy, and instead called for tanks to rapidly advance into the enemy's rear area to destroy su ...
of the British Army's Colonel John Fuller, who envisaged using the expected vast increase in armour production during 1919 to execute deep strategic penetrations by mechanised forces consisting of tanks and infantry carried by trucks, supported by aeroplanes, to paralyse the enemy command-structure. Following the First World War, the technical and doctrinal aspects of armoured warfare became more sophisticated and diverged into multiple schools of doctrinal thought.


Interwar period


1920s

During the 1920s, a very limited number of tanks were produced. There were however, important theoretical and technical developments. Various British and French commanders who had contributed to the origin of the tank, such as
Jean Baptiste Eugène Estienne Jean Baptiste Eugène EstienneEstienne's forenames are frequently incorrectly given as Jean-Baptiste Eugène. He was christened with the three names Jean, Baptiste, and Eugène, but disliked the name Baptiste, and preferred to be addressed as Eug ...
, B. H. Liddell Hart and
J. F. C. Fuller Major-General John Frederick Charles "Boney" Fuller (1 September 1878 – 10 February 1966) was a senior British Army officer, military historian, and strategist, known as an early theorist of modern armoured warfare, including categorising p ...
, theorised about a possible future use of independent armoured forces, containing a large concentration of tanks, to execute deep strategic penetrations. Especially Liddell Hart wrote many books about the subject, partly propagating Fuller's theories. Such doctrines were faced with the reality that during the 1920s the armoured vehicles, as early
road transport Road transport or road transportation is a type of transport using roads. Transport on roads can be roughly grouped into the transportation of goods and transportation of people. In many countries licensing requirements and safety regulations e ...
in general, were extremely unreliable, and could not be used in sustained operations. Mainstream thought on the subject was more conservative and tried to integrate armoured vehicles into the existing infantry and cavalry organisation and tactics. Technical development initially focussed on the improvement of the suspension system, transmission and engine, to create vehicles that were faster, more reliable and had a better range than their WW I predecessors. To save weight, such designs had thin armour plating and this inspired fitting small-calibre high-velocity guns in turrets, giving tanks a good antitank capacity. Both France and Britain eventually built specialised infantry tanks, more heavily armoured to provide infantry support, and cavalry tanks that were faster and could exploit a breakthrough, seeking to bring about defeat of the enemy by severing his lines of communication and supply, as cavalry had done during the previous century. The British were the first to create a larger fully mechanised unit when the
War Office The War Office was a department of the British Government responsible for the administration of the British Army between 1857 and 1964, when its functions were transferred to the new Ministry of Defence (MoD). This article contains text from ...
sanctioned the creation of the
Experimental Mechanised Force The Experimental Mechanized Force (EMF) was a brigade-sized formation of the British Army. It was officially formed on 1 May 1927 to investigate and develop the techniques and equipment required for armoured warfare and was the first armoured fo ...
, which was formed on 1 May 1927, under infantry Colonel R. J. Collins, after Fuller (was) refused the function. Its sub-units were entirely mobile and consisted of reconnaissance
tankette A tankette is a tracked armoured fighting vehicle that resembles a small tank, roughly the size of a car. It is mainly intended for light infantry support and scouting.
s and armoured cars, a battalion of forty-eight
Vickers Medium Mark I The Vickers Medium Mark I was a British tank of the Inter-war period built by Vickers from 1924. Background After the First World War Britain disbanded most of its tank units leaving only five tank battalions equipped with the Mark V and the ...
tanks, a motorised machine-gun battalion, a mechanised artillery regiment, which had one battery of fully tracked self-propelled
Birch gun The Birch Gun was the first practical British self-propelled artillery gun, built at the Royal Arsenal, Woolwich in 1925. Despite proving itself a practical proposition the Birch Gun was never highly regarded by the British High Command, not ...
s capable of acting as conventional or anti-aircraft artillery, and a motorised company of field engineers. The unit carried out operations on
Salisbury Plain Salisbury Plain is a chalk plateau in the south western part of central southern England covering . It is part of a system of chalk downlands throughout eastern and southern England formed by the rocks of the Chalk Group and largely lies wi ...
and was observed by the other major nations, the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
,
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
, and the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
. Although its performance was recognised, it was disbanded in 1928. All major European states (with the exception of Germany that was forbidden to possess armoured vehicles under the
Treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June ...
), the US, and Japan, would create their own experimental mechanised forces during the late 1920s, many using either French or British vehicle designs or even directly purchased vehicles, but largely borrowing from both to develop their own doctrines.


1930s

During the 1930s, political tensions between the world powers quickly increased. The
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
and France began to rearm in the early thirties. In the Soviet Union, the mechanisation of the armed forces was part of a massive general industrialisation programme, the successive
Five Years Plan Five-year plan may refer to: Nation plans *Five-year plans of the Soviet Union, a series of nationwide centralized economic plans in the Soviet Union * Five-Year Plans of Argentina *Five-Year Plans of Bhutan, a series of national economic develop ...
s, and the country soon had more tanks than the rest of the world combined, thousands of them being produced per year. In this period, before the rise to power of the Nazi Party in Germany, German officers were sent to observe and participate in development of armoured doctrine in the USSR.
Red Army The Workers' and Peasants' Red Army (Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist Republic and, after ...
and German experts collaborated in developing the use of tanks based on second generation vehicles with turreted main weapons, and experimenting to design different chassis configurations and drive trains. One important acquisition for the Red Army turned out to be the purchase of a T3 chassis, using the Christie suspension, from US designer John Walter Christie, which served as the basis of the Soviet
BT series The BT tanks (russian: Быстроходный танк/БТ, translit=Bystrokhodnyy tank, lit. "fast moving tank" or "high-speed tank") were a series of Soviet Union, Soviet light tanks produced in large numbers between 1932 and 1941. They we ...
of fast tanks. The Red Army tactics were influenced by the theoretical works of Marshal
Mikhail Tukhachevsky Mikhail Nikolayevich Tukhachevsky ( rus, Михаил Николаевич Тухачевский, Mikhail Nikolayevich Tukhachevskiy, p=tʊxɐˈtɕefskʲɪj;  – 12 June 1937) nicknamed the Red Napoleon by foreign newspapers, was a Sovie ...
who advocated "large scale tank warfare" as part of the
deep battle Deep operation (, ''glubokaya operatsiya''), also known as Soviet Deep Battle, was a military theory developed by the Soviet Union for its armed forces during the 1920s and 1930s. It was a tenet that emphasized destroying, suppressing or disorg ...
doctrine. In France, the second largest tank producer, mechanisation was motivated by a need to compensate for severe manpower shortages due to a collapsed birth rate during World War I. This led to the development of a vast range of specialised armoured vehicles, not just tanks but also armoured cars,
self-propelled gun Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer, self-propelled mo ...
s,
mechanised artillery Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer, self-propelled m ...
, armoured tractors, armoured supply vehicles, armoured artillery observation vehicles, armoured command vehicles,
half-track A half-track is a civilian or military vehicle with regular wheels at the front for steering and continuous tracks at the back to propel the vehicle and carry most of the load. The purpose of this combination is to produce a vehicle with the cro ...
s, and fully tracked
armoured personnel carrier An armoured personnel carrier (APC) is a broad type of armoured military vehicle designed to transport personnel and equipment in combat zones. Since World War I, APCs have become a very common piece of military equipment around the world. Acc ...
s. As the mechanisation progressed, slowly the French armour doctrine began to reflect the increased capacity, evolving from direct infantry support, to independent breakthrough and eventually envelopment with the Infantry, and to deep strategic exploitation with the Cavalry. Despite the increase in tank numbers, in all countries financial constraints prohibited a full mechanisation of the entire armed ground forces. Necessarily, most of the divisions still consisted of infantry that was not even motorised. As a result, tanks tended to be allotted to special armoured units, where the limited and expensive expert maintenance and training capacity could be concentrated. Only the Soviet Union had enough tanks to equip an organic tank battalion in each infantry division. Nevertheless, France was the first to create large armoured units: in 1934 two Mechanised Corps were formed of 430 tanks each. In July 1935, in France the 4th Cavalry Division was transformed into the '' 1e Division Légère Mécanique'', the first French armoured division of the Cavalry. In Germany, after the
Nazi Regime Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...
started open rearmament in March 1935, on 15 October 1935 three '' Panzerdivisionen'' were formed. Though some tank brigades were part of the Cavalry or Infantry arm, most German tanks were concentrated into a special branch, from 1936 called the ''
Panzerwaffe ''Panzerwaffe'', later also ''Panzertruppe'' (German for "Armoured Force", "Armoured Arm" or "Tank Force". ''Waffe'': ombat"arm") refers to a command within the Heer of the German Wehrmacht, responsible for the affairs of panzer (tank) and ...
''. The precise interpretation of this phenomenon has proven controversial among military historians. Traditionally, it has been seen as part of a "''
Blitzkrieg Blitzkrieg ( , ; from 'lightning' + 'war') is a word used to describe a surprise attack using a rapid, overwhelming force concentration that may consist of armored and motorized or mechanized infantry formations, together with close air su ...
'' strategy" of swift world conquest by means of armoured forces. Later it has been argued, among others by
Karl-Heinz Frieser Karl-Heinz Frieser (born 1949 in Pressath, Bavaria) is a German military historian and a retired colonel of the German Army. Life Frieser joined the German Army in 1970 and started studying political science as well as history in 1978. In 1981 ...
, that the German army in the 1930s did not even possess an explicit ''Blitzkrieg'' tactical doctrine, let alone strategy. This would have been reflected by the relatively unimpressive rate of tank production and development.Frieser, K-H., 2005, ''The Blitzkrieg Legend: The 1940 Campaign in the West'', Naval Institute Press; 1st edition, During the 1930s the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
gave priority to the
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) and ...
and
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 F ...
. 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 ...
began the conversion of its cavalry from horse to tanks and all but a few regiments were fully converted by 1939. The British First Armoured Division was formed, as the "Mobile Division", in November 1937. Before the
Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
actual use of armoured fighting vehicles was limited. Both sides used Italian, German and Soviet tanks during the
Spanish Civil War The Spanish Civil War ( es, Guerra Civil Española)) or The Revolution ( es, La Revolución, link=no) among Nationalists, the Fourth Carlist War ( es, Cuarta Guerra Carlista, link=no) among Carlists, and The Rebellion ( es, La Rebelión, lin ...
but these proved to be vulnerable to antitank guns due to their thin armour. Traditionalist elements within the Red Army used this to diminish the influence of proponents of mechanisation. Tukhachevsky himself was executed in 1937. Nevertheless, during the Soviet-Japanese Border Wars of 1938 and 1939, the Soviet forces tested modern armoured warfare tactics.
General A general officer is an Officer (armed forces), officer of highest military ranks, high rank in the army, armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers t ...
Georgy Zhukov Georgy Konstantinovich Zhukov ( rus, Георгий Константинович Жуков, p=ɡʲɪˈorɡʲɪj kənstɐnʲˈtʲinəvʲɪtɕ ˈʐukəf, a=Ru-Георгий_Константинович_Жуков.ogg; 1 December 1896 – ...
in the summer of 1939 combined mass tank manoeuvres with artillery and air attacks, to defeat the
Japanese Imperial Army The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emperor o ...
at the
Battles of Khalkhin Gol The Battles of Khalkhin Gol (russian: Бои на Халхин-Голе; mn, Халхын голын байлдаан) were the decisive engagements of the undeclared Soviet–Japanese border conflicts involving the Soviet Union, Mongolia, Ja ...
at
Nomonhan Nomonhan is a small village in Inner Mongolia, China, south of the city of Manzhouli and near the China–Mongolia border. In the summer of 1939, it was the location of the Nomonhan Incident, as it is known in Japan, or the Battle of Khalkhin G ...
in
Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
. Partly as a result of the experiences in Spain, the Soviet Union began the development of a new generation of medium and heavy tanks, sporting much stronger armour and armament.


World War II


Poland

In their
Invasion of Poland The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week aft ...
during September 1939, German forces applied a narrow cooperation between large armoured units — of the ''Panzerwaffe'' and the Cavalry — and "active" infantry divisions to break the Polish defensive lines and pursue the defeated enemy forces. The more limited and dispersed Polish armoured units were quickly destroyed. The Red Army, invading the east of Poland, also deployed armoured divisions. At the time, the swift collapse of the Polish army was seen as the result of an armoured ''Blitzkrieg''. However, later it has been argued that the campaign was largely an instance of the classical nineteenth century German concept of the "Annihilation Battle", in which the role of deep strategic armoured penetrations was limited.


France

In the wake of the Polish campaign, during the
Phoney War The Phoney War (french: Drôle de guerre; german: Sitzkrieg) was an eight-month period at the start of World War II, during which there was only one limited military land operation on the Western Front, when French troops invaded Germa ...
French, British and German tank production sharply increased, with both western allies out-producing Germany. However, the Anglo-French coalition proved unable to match the Germans in the number of armoured divisions, as it was impossible to quickly raise such large units. Though the French possessed a superior number of tanks, often better armoured and armed, half of these were allotted at army-level to independent ''Bataillons de Chars de Combat'' ("battle tank battalions") for infantry support. In early 1940, the German command had concluded that it could not win a war of attrition and embarked on a high-risk strategy. They approved the
Manstein Plan The Manstein Plan or Case Yellow (german: Fall Gelb) also known as Operation Sichelschnitt (german: Sichelschnittplan, from the English language, English term sickle cut), was the Military operation plan, war plan of the German Army (Wehrmacht), ...
, envisaging an advance through the
Ardennes The Ardennes (french: Ardenne ; nl, Ardennen ; german: Ardennen; wa, Årdene ; lb, Ardennen ), also known as the Ardennes Forest or Forest of Ardennes, is a region of extensive forests, rough terrain, rolling hills and ridges primarily in Be ...
by the main mass of German infantry divisions, spearheaded by seven armoured divisions, while the main mobile French reserve consisting of three Cavalry armoured divisions (''Divisions Légères Mécaniques'' or Mechanised Light Divisions) — the only armoured units organised on the lines of the German armoured divisions — would be lured into the
Low Countries The term Low Countries, also known as the Low Lands ( nl, de Lage Landen, french: les Pays-Bas, lb, déi Niddereg Lännereien) and historically called the Netherlands ( nl, de Nederlanden), Flanders, or Belgica, is a coastal lowland region in N ...
by a feint attack with a lesser force, including three armoured divisions. In May 1940, during the
Battle of France The Battle of France (french: bataille de France) (10 May – 25 June 1940), also known as the Western Campaign ('), the French Campaign (german: Frankreichfeldzug, ) and the Fall of France, was the Nazi Germany, German invasion of French Third Rep ...
, the German feint resulted in a number of undecided armour engagements, among them the
Battle of Hannut The Battle of Hannut was a Second World War battle fought during the Battle of Belgium which took place between 12 and 14 May 1940 at Hannut in Belgium. It was the largest tank battle in the campaign. It was also the largest clash of tanks in ar ...
, the largest tank battle fought until that date. At the same time, German motorised infantry west of the Ardennes forced the crossings over the river
Meuse The Meuse ( , , , ; wa, Moûze ) or Maas ( , ; li, Maos or ) is a major European river, rising in France and flowing through Belgium and the Netherlands before draining into the North Sea from the Rhine–Meuse–Scheldt delta. It has a t ...
, assisted by massive
carpet bombing Carpet bombing, also known as saturation bombing, is a large area bombardment done in a progressive manner to inflict damage in every part of a selected area of land. The phrase evokes the image of explosions completely covering an area, in th ...
of the crossing points. In the original plan, the armoured divisions were again supposed to closely cooperate with the infantry divisions. In reality, armour commanders like
Erwin Rommel Johannes Erwin Eugen Rommel () (15 November 1891 – 14 October 1944) was a German field marshal during World War II. Popularly known as the Desert Fox (, ), he served in the ''Wehrmacht'' (armed forces) of Nazi Germany, as well as servi ...
and
Heinz Guderian Heinz Wilhelm Guderian (; 17 June 1888 – 14 May 1954) was a German general during World War II who, after the war, became a successful memoirist. An early pioneer and advocate of the " blitzkrieg" approach, he played a central role in t ...
immediately broke out of the bridgeheads, initiating a drive towards the
English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" (Cotentinais) or ( Jèrriais), (Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kana ...
, which was reached within a week. The French reserve of four Infantry armoured divisions, the ''Divisions cuirassées'', lacked sufficient strategic mobility to prevent this. The strategic envelopment surrounded the Belgian army, the British Expeditionary Force and the best French troops. It led to the
Evacuation of Dunkirk The Dunkirk evacuation, codenamed Operation Dynamo and also known as the Miracle of Dunkirk, or just Dunkirk, was the evacuation of more than 338,000 Allied soldiers during the Second World War from the beaches and harbour of Dunkirk, in the ...
and the ultimate fall of France in operation ''
Fall Rot ''Fall Rot'' (Case Red) was the plan for a German military operation after the success of (Case Yellow), the Battle of France, an invasion of the Benelux countries and northern France. The Allied armies had been defeated and pushed back in th ...
''. The spectacular and unexpected success not only caused a sudden change in the global
geostrategic Geostrategy, a subfield of geopolitics, is a type of foreign policy guided principally by geographical factors as they inform, constrain, or affect political and military planning. As with all strategies, geostrategy is concerned with matching m ...
situation, gaining Germany a position of
hegemony Hegemony (, , ) is the political, economic, and military predominance of one State (polity), state over other states. In Ancient Greece (8th BC – AD 6th ), hegemony denoted the politico-military dominance of the ''hegemon'' city-state over oth ...
on the European continent, but also seemed to vindicate the theories of Fuller and Liddell-Hart. Confronted with the undeniable potential of armoured manoeuvre warfare, from the summer of 1940 onwards the armed forces of all surviving major powers adapted their tactical doctrine, unit organisation, strategic planning and tank production plans. According to Frieser, this was even true for Germany itself, that only now officially adopted ''Blitzkrieg'' tactics.


North African theatre

In the deserts of North Africa, the British developed the alternative approach of combining the armoured, infantry and artillery together to form a 'balanced, combined arms team'. The 10th Italian Army of Maresciallo (Marshal)
Rodolfo Graziani Rodolfo Graziani, 1st Marquis of Neghelli (; 11 August 1882 – 11 January 1955), was a prominent Italian military officer in the Kingdom of Italy's '' Regio Esercito'' ("Royal Army"), primarily noted for his campaigns in Africa before and durin ...
, being ill-armed and inadequately led, soon gave way to this approach by the Commonwealth troops of the 8th Army. The arrival of the German ''
Afrika Korps The Afrika Korps or German Africa Corps (, }; DAK) was the German expeditionary force in Africa during the North African Campaign of World War II. First sent as a holding force to shore up the Italian defense of its African colonies, the ...
'' under command of
General der Panzertruppe General der Panzertruppe () was a General of the branch OF8 rank of the German Army, introduced in 1935. A ''General der Panzertruppe'' was a Lieutenant General, above Major General (Generalleutnant), commanding a Panzer corps. Rank and ran ...
Erwin Rommel Johannes Erwin Eugen Rommel () (15 November 1891 – 14 October 1944) was a German field marshal during World War II. Popularly known as the Desert Fox (, ), he served in the ''Wehrmacht'' (armed forces) of Nazi Germany, as well as servi ...
highlighted the weaknesses of the British approach: the small number of infantry and artillery in each armoured division was sufficient when attacking the immobile and uncoordinated Italian troops, but against the highly mobile, well-coordinated German units, the undermanned Commonwealth formations were proving inadequate. Between 1941 and 1942, the Allies struggled in armoured battles in the North African desert due to improper tactics; in particular, running armoured formations into opposing anti-tank positions; however, they achieved some notable successes at Crusader, 1st Alamein and under Montgomery finally achieved decisive victories, in particular at the
Second Battle of El Alamein The Second Battle of El Alamein (23 October – 11 November 1942) was a battle of the Second World War that took place near the Egyptian Railway station, railway halt of El Alamein. The First Battle of El Alamein and the Battle of Alam el Halfa ...
..


Soviet Union


Pre-war

Much of the Red Army development in tank use was based on the theoretical work carried out by such officers as Tukhachevsky and Triandafillov in the mid to late 1930s. This was as part of the two-directioned concepts, one being infantry-centred "broad front" and the other being a "shock army". While the infantry based part of the doctrine demanded "powerful tanks" (heavy tanks armed with infantry guns and machineguns) and "tankettes" (light, often amphibious tanks with machineguns), the shock army demanded "manoeuvre tanks" (fast tanks with medium guns) used in conjunction with motorised forces and "mechanised cavalry" that would operate in depth as "strategic cavalry" combined with nascent airborne troops. These ideas culminated in the "PU-36" or the 1936 Field Service Regulations.


Wartime

At the start of the Second World War much of the Red Army, including its armoured forces, was in transition and recovering from the 1937 repression of the officer corps. The Red Army ignored the lessons from
Nomonhan Nomonhan is a small village in Inner Mongolia, China, south of the city of Manzhouli and near the China–Mongolia border. In the summer of 1939, it was the location of the Nomonhan Incident, as it is known in Japan, or the Battle of Khalkhin G ...
, which had been successfully conducted by General
Zhukov Georgy Konstantinovich Zhukov ( rus, Георгий Константинович Жуков, p=ɡʲɪˈorɡʲɪj kənstɐnʲˈtʲinəvʲɪtɕ ˈʐukəf, a=Ru-Георгий_Константинович_Жуков.ogg; 1 December 1896 – ...
, and relied instead on lessons from politically selected officers who were veterans of the
Spanish Civil War The Spanish Civil War ( es, Guerra Civil Española)) or The Revolution ( es, La Revolución, link=no) among Nationalists, the Fourth Carlist War ( es, Cuarta Guerra Carlista, link=no) among Carlists, and The Rebellion ( es, La Rebelión, lin ...
. The result was a poor showing during the
Winter War The Winter War,, sv, Vinterkriget, rus, Зи́мняя война́, r=Zimnyaya voyna. The names Soviet–Finnish War 1939–1940 (russian: link=no, Сове́тско-финская война́ 1939–1940) and Soviet–Finland War 1 ...
. The Red Army tank fleet was extremely large, consisting of some 24,000 vehicles, but many were obsolete or unfit for service due to difficulties with supplying spare parts and lack of qualified support staff. One important development took place shortly before the war, which influenced Soviet armoured doctrine and tank design for a decade: the creation of the
T-34 The T-34 is a Soviet medium tank introduced in 1940. When introduced its 76.2 mm (3 in) tank gun was less powerful than its contemporaries while its 60-degree sloped armour provided good protection against Anti-tank warfare, anti-tan ...
. Developed on the Christie suspension chassis and using
sloped armour Sloped armour is armour that is neither in a vertical nor a horizontal position. Such angled armour is typically mounted on tanks and other armoured fighting vehicles (AFVs), as well as naval vessels such as battleships and cruisers. Sloping an a ...
for the first time, the T-34 proved a shock to the German forces in the first
German encounter of Soviet T-34 and KV tanks Prior to the invasion of the Soviet Union during World War II, the German armed forces were not aware of two newly developed Soviet tanks, the T-34 and the KV. As a result, they were surprised when they met them in combat for the first time in ...
. The T-34 had an excellent combination of mobility, protection and firepower. Using wide tracks, the T-34 was also able to negotiate terrain in difficult weather conditions, something that persistently dogged the German designs. Assessing the success of the German
Blitzkrieg Blitzkrieg ( , ; from 'lightning' + 'war') is a word used to describe a surprise attack using a rapid, overwhelming force concentration that may consist of armored and motorized or mechanized infantry formations, together with close air su ...
strategy, operational methods and tactics, the Red Army concluded that it should return to the use of operational methods developed before the war, so the Tank Armies were eventually created. To complement the T-34, heavy tanks, self-propelled artillery, and tank destroyers were also designed. The Red Army's armoured forces were used in concentrations during all
strategic operations of the Red Army in World War II The strategic operations of the Red Army in World War II were major military events carried out between 1941 and 1945 on the Eastern Front (World War II), Eastern Front or in 1945 Soviet–Japanese War, in the Far East during the Second World War. ...
, initiated under strict secrecy and using the Principle of Surprise.


Germany

In Germany, in-depth research through theoretical approaches, wargaming and exercises developed a confidence within the ''
Panzertruppe ''Panzerwaffe'', later also ''Panzertruppe'' (German for " Armoured Force", "Armoured Arm" or "Tank Force". ''Waffe'': ombat"arm") refers to a command within the Heer of the German Wehrmacht, responsible for the affairs of panzer (tank) an ...
'' itself (and political support by Hitler) in the armoured formation as the key battlefield formation — although this view was before 1940 not shared by the other Arms of Service. A key part of this doctrine was improved communications by having radios in all tanks, although this ideal suffered from technical limits as most tanks had receiver sets only. At the outbreak of World War II, the German armoured forces benefited from a much more profound and more flexible training than that of the Allies on the tactical and operational level. German tanks operated while directed by radio communication, which allowed tank commanders to take greater advantage of the manoeuvrability of their vehicles. Even after the conquest of Poland, "Blitzkrieg" was not defined on the strategic level. Guderian and von Manstein devised a strategy that entailed what later would be seen as the essence of blitzkrieg: concentrated panzer divisions performing swift deep penetrations. This strategy was not initially accepted by German High Command. Nevertheless, the final plans for the invasion of France in 1940 hinged on the element of a ''Schwerpunkt'' at Sedan, and was assigned to such forces. The great success of this operation led to blitzkrieg being integrated with strategic planning for the rest of the war. German tanks could carry with them enough fuel and supplies to go almost two hundred kilometers, and enough food to last three to nine days. This relative independence from supply lines proved effective, and allowed them to advance on critical targets much faster and without hesitation. Another factor was the ability of commanders to make strategic decisions in the field and without much consultation with their headquarters, the orders of which were often simply ignored. A prime example is
Erwin Rommel Johannes Erwin Eugen Rommel () (15 November 1891 – 14 October 1944) was a German field marshal during World War II. Popularly known as the Desert Fox (, ), he served in the ''Wehrmacht'' (armed forces) of Nazi Germany, as well as servi ...
's lead-from-the-front approach while commanding ''7.Panzer-Division'' which allowed him a flexible response to the battlefield situation, an instance of the ''
Auftragstaktik Mission-type tactics ( German: ''Auftragstaktik'', from ''Auftrag'' and ''Taktik''; also known as mission command in the US and UK) is a form of military tactics in which the emphasis is placed on the outcome of a mission rather than the specif ...
'' (reliance on subordinates to make their own decisions). The effect of German ''Panzer'' speed, mobility, and communication shocked the French, and ultimately were the deciding factors in the battle. It overcame their inferiority in armour and armament relative to the main French materiel such as the Char B1 ''bis''. The superior tactical and operational praxis, combined with an appropriate strategic implementation, enabled the Germans to defeat forces superior in armour (both quantitatively and qualitatively) in the battles of 1940, but just as Blitzkrieg became a deliberate military doctrine, in 1941, it ultimately failed on the eastern front, though initially attaining spectacular successes. Before the war,
Heinz Guderian Heinz Wilhelm Guderian (; 17 June 1888 – 14 May 1954) was a German general during World War II who, after the war, became a successful memoirist. An early pioneer and advocate of the " blitzkrieg" approach, he played a central role in t ...
had in his ''Achtung–Panzer!'' propounded a thorough mechanisation of the German forces. By 1942, increased AFV-production allowed a fuller implementation of this ideal. Now extensive armoured combined arms team could be formed, distinct from a purely
infantry Infantry is a military specialization which engages in ground combat on foot. Infantry generally consists of light infantry, mountain infantry, motorized infantry & mechanized infantry, airborne infantry, air assault infantry, and marine i ...
or
cavalry Historically, cavalry (from the French word ''cavalerie'', itself derived from "cheval" meaning "horse") are soldiers or warriors who fight mounted on horseback. Cavalry were the most mobile of the combat arms, operating as light cavalry ...
formation. The panzer divisions integrated tanks with
mechanised infantry Mechanized infantry are infantry units equipped with armored personnel carriers (APCs) or infantry fighting vehicles (IFVs) for transport and combat (see also mechanized force). As defined by the United States Army, mechanized infantry is di ...
(riding in
halftracks A half-track is a civilian or military vehicle with regular wheels at the front for steering and continuous tracks at the back to propel the vehicle and carry most of the load. The purpose of this combination is to produce a vehicle with the c ...
to be protected from small-arms fire while being transported) and
self-propelled artillery Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer, self-propelled ...
(howitzers fitted on a tank chassis). This allowed the panzer division to become an independent combat force, in principle able to overcome the problems of attaining a breakthrough against entrenched enemy infantry, equipped with large numbers of antitank-guns, with the potential to completely halt tank assaults inflicting devastating losses to armoured units without infantry support. However, much of the AFV production was increasingly diverted away from the ''Panzertruppe''. The Artillery formed its own Sturmgeschütz units and infantry divisions were given their own
Panzerjäger ''Panzerjäger'' (German language, German "armour-hunters" or "tank-hunters", abbreviated to ''Pz.Jg.'' in German) was a branch of service of the Nazi Germany, German Wehrmacht during the World War II, Second World War. It was an Anti-tank war ...
companies. Despite lowering their formal organic strength, from the summer of 1943 onwards, the armoured divisions were structurally short of tanks.


United States

Though the U.S. had established the
Tank Corps An armoured corps (also mechanized corps or tank corps) is a specialized military organization whose role is to conduct armoured warfare. The units belonging to an armoured corps include military staff, and are equipped with tanks and other armo ...
in World War I using French
Renault FT The Renault FT (frequently referred to in post-World War I literature as the FT-17, FT17, or similar) was a French light tank that was among the most revolutionary and influential tank designs in history. The FT was the first production tank to ...
light tanks and
British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...
Mark V and Mark V* heavy tanks, and some officers like
Dwight D. Eisenhower Dwight David "Ike" Eisenhower (born David Dwight Eisenhower; ; October 14, 1890 – March 28, 1969) was an American military officer and statesman who served as the 34th president of the United States from 1953 to 1961. During World War II, ...
and
George S. Patton, Jr. George Smith Patton Jr. (November 11, 1885 – December 21, 1945) was a General (United States), general in the United States Army who commanded the Seventh United States Army in the Mediterranean Theater of Operations, Mediterranean Theater ...
emerged from that war initially as avid proponents of continuing and developing an American armoured force, the rapid reduction of the forces and apathy and even antipathy towards funding and maintaining armed forces in the inter-war years led to relative stagnation of armoured doctrine in the United States.
Adna R. Chaffee, Jr. Adna Romanza Chaffee Jr. (September 23, 1884 – August 22, 1941) was an officer in the United States Army, called the "Father of the Armored Force" for his role in developing the U.S. Army's tank forces. Early life and education Chaffee was bor ...
, virtually alone, advocated for the future of armoured warfare and the development of appropriate training, equipment and doctrine during the late 1920s through the 1930s. The United States Army regarded the
French Army The French Army, officially known as the Land Army (french: Armée de Terre, ), is the land-based and largest component of the French Armed Forces. It is responsible to the Government of France, along with the other components of the Armed For ...
as the best army in Europe,Zaloga (Armored Thunderbolt) p. 13 and consequently the U.S. Army frequently copied French uniforms (the American Civil War) and aeroplanes. Only when France was rapidly overrun in 1940 did the U.S. Army become "shocked" into re-thinking the influences by the perceived actions of German tanks in the 1939 Polish Campaign. Its Armored Combat Arm was not created until 1940 when the Armored Force was born on 10 July 1940, with the Headquarters, Armor Force and the Headquarters, I Armored Corps established at
Fort Knox Fort Knox is a United States Army installation in Kentucky, south of Louisville and north of Elizabethtown. It is adjacent to the United States Bullion Depository, which is used to house a large portion of the United States' official gold res ...
. On July 15, 1940, the 7th Cavalry Brigade (Mechanised) became the 1st Armored Division; the 7th Provisional Tank Brigade, an infantry tank unit at
Fort Benning Fort Benning is a United States Army post near Columbus, Georgia, adjacent to the Alabama–Georgia border. Fort Benning supports more than 120,000 active-duty military, family members, reserve component soldiers, retirees and civilian employees ...
, became the 2nd Armored Divisionbr>
The Tank Battalion was established at Fort George G. Meade, Fort Meade, Md., and a small Armored Force School was also established. Under this doctrine, U.S. tank crews of both armoured divisions and GHQ tank battalions were taught to fight tanks in tank on tank engagements. Armoured force personnel during and after the war criticised the infantry for using the GHQ tank battalions assigned to infantry divisions strictly as infantry support.


Tank destroyers

The U.S.
combined arms Combined arms is an approach to warfare War is an intense armed conflict between states, governments, societies, or paramilitary groups such as mercenaries, insurgents, and militias. It is generally characterized by extreme vio ...
team included air support, artillery, engineers, and a tank component supplemented by
tank destroyer A tank destroyer, tank hunter, tank killer, or self-propelled anti-tank gun is a type of armoured fighting vehicle, armed with a direct fire artillery gun or missile launcher, designed specifically to engage and destroy enemy tanks, often wi ...
s formed into independent tank destroyer battalions. The latter is most closely identified with the Chief of Army Ground Forces,
Lesley J. McNair Lesley James McNair (May 25, 1883 – July 25, 1944) was a senior United States Army officer who served during World War I and World War II. He attained the rank of lieutenant general during his life; he was killed in action during World War I ...
. Having studied the early German successes McNair came under the belief that U.S. forces would be faced with fast moving enemy forces who would seek to bypass, isolate and reduce U.S. forces in a replay of the Fall of France. To stem the flood of marauding panzers, fast moving powerfully armed tank destroyer battalions were created to be held back and used in the counter-attack. It was also calculated that U.S. interests would be better served by large numbers of reliable (''battle-worthiness'') medium tanks rather than a smaller number of unreliable heavy tanks. It was decided therefore to slow the production of the U.S. heavy tank designs such as the
M26 Pershing The M26 Pershing was a heavy tank/ medium tank of the United States Army. It was used in the last months of World War II during the Invasion of Germany and extensively during the Korean War. The tank was named after General of the Armies John J ...
and concentrate resources on mass-producing the
M4 Sherman } The M4 Sherman, officially Medium Tank, M4, was the most widely used medium tank by the Military history of the United States during World War II, United States and Allies of World War II, Western Allies in World War II. The M4 Sherman prove ...
and tank destroyers such as the
M18 Hellcat The M18 Hellcat (officially designated the 76 mm Gun Motor Carriage M18 or M18 GMC) is a tank destroyer that was used by the United States Army in World War II and the Korean War. A top speed of up to was attained by keeping armor to a minim ...
. To be able get into position to counter-attack, the tank destroyers had to be fast. To achieve the desired mobility and agility from the engines available the armour protection was sacrificed, a measure of protection coming from being nimble and hopefully from being able to knock out the enemy before they could get a shot in. Although they usually had guns of either 75 mm or 76 mm calibre (the M36 used a 90mm calibre gun), the tank destroyer units were issued with the ancestor of the modern
armour-piercing discarding sabot Armour-piercing discarding sabot (APDS) is a type of spin-stabilized kinetic energy projectile for anti-armour warfare. Each projectile consists of a sub-calibre round fitted with a sabot. The combination of a lighter sub-calibre projectile wit ...
, rounds which made their guns much more powerful than a simple comparison of calibres would suggest.


Japan

The Japanese doctrine was mainly French in concept but with some purely Japanese elements. Due to Japan's naval priorities in
warship A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are usually faster a ...
constructionZaloga and inter-service feuds (the marine branch of the IJN favoured all-around protective armour) IJA tanks were lightly armoured. As with most armour during the 1930s, the main guns were small in calibre: 37 mm for their Type 95 light tanks and 47 mm for the Type 97 medium tank, but this was sometimes compensated by a high muzzle velocity. The IJA's use of tanks in China exemplifies its doctrine:
light tanks A light tank is a tank variant initially designed for rapid movements in and out of combat, to outmaneuver heavier tanks. It is smaller in size with thinner armor and a less powerful main gun, tailored for better tactical mobility and ease of ...
were used for scouting or acted as mobile infantry support, while medium tanks supported the infantry and assaulted deeper objectives, but did not fight en masse. In 1939, the Japanese Army engaged
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
armour at
Nomonhan Nomonhan is a small village in Inner Mongolia, China, south of the city of Manzhouli and near the China–Mongolia border. In the summer of 1939, it was the location of the Nomonhan Incident, as it is known in Japan, or the Battle of Khalkhin G ...
. During the three-month-long war, Japanese armour had shown their weakness against Soviet tanks; and the resulting Japanese defeat prompted a series of complaints by the Imperial Army to incorporate improvements in future Japanese armour. This is the primary reason IJA tanks were not as successful while being used with IJA tactics. The tank forces of the U.S. Army consisted of the M2A4 and
M3 Stuart The M3 Stuart/Light Tank M3, was an American light tank of World War II. An improved version of the tank entered service as the M5 in 1942 to be supplied to British and other Commonwealth forces under lend-lease prior to the entry of the U.S. ...
light tanks up until 1941, although these vehicles were five years ''newer'' than the 1935 built Type 95's, the IJA and U.S. light tanks were comparable to each other, and seemingly performed well for their respective forces during jungle combat operations; during their phase of World War II. As with all armour, maintenance was a continuous challenge; especially in tropical environments. When IJA and SNLF (Imperial marines) tanks did clash with the enemy they were quickly destroyed by concealed anti-tank guns or overwhelming numbers of hostile tanks. Japan was a naval power, and concentrated its production on warships, thus placing a low priority on armoured vehicle development, its tanks becoming quickly obsolete during the later years of the war. A number of designs that were equal to heavier foreign types were on the drawing board at the beginning of the war, but would only be built in small numbers towards the end, being placed in reserve, to be deployed for the defence of Japan itself.


China

The
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
's
National Revolutionary Army The National Revolutionary Army (NRA; ), sometimes shortened to Revolutionary Army () before 1928, and as National Army () after 1928, was the military arm of the Kuomintang (KMT, or the Chinese Nationalist Party) from 1925 until 1947 in China ...
's 200th Division was the country's only mechanised division during the war. The 200th used pre-war tanks acquired from Italy, Germany, and the Soviet Union.


After 1945


Indo-Pakistani wars


Arab–Israeli wars

The conflict between Arab nations in the East Mediterranean region and Israel in particular would serve to become a testing ground for development in armoured warfare during the decades of the Cold War. Both sides in the Arab–Israeli series of conflicts made heavy use of tanks and other armoured vehicles due to the practicality of tanks in the desert environment these conflicts largely took place in. During the 1956 Suez War and
Six-Day War The Six-Day War (, ; ar, النكسة, , or ) or June War, also known as the 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab world, Arab states (primarily United Arab Republic, Egypt, S ...
(1967), Israeli armoured units typically had the advantage, mainly due to good tactics and
unit cohesion Unit cohesion is a military concept, defined by one former United States Chief of staff in the early 1980s as "the bonding together of soldiers in such a way as to sustain their will and commitment to each other, the unit, and mission accomplishmen ...
. Conversely, the
Yom Kippur War The Yom Kippur War, also known as the Ramadan War, the October War, the 1973 Arab–Israeli War, or the Fourth Arab–Israeli War, was an armed conflict fought from October 6 to 25, 1973 between Israel and a coalition of Arab states led by Egy ...
(1973) illustrated the problems that can arise if armoured and infantry units do not work closely together.
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
i tanks, operating independently in large numbers, were decimated by Egyptian anti-tank teams, well-distributed amongst regular infantry, and often equipped with new, first-generation portable
anti-tank guided missile An anti-tank guided missile (ATGM), anti-tank missile, anti-tank guided weapon (ATGW) or anti-armor guided weapon is a guided missile primarily designed to hit and destroy heavily armored military vehicles. ATGMs range in size from shoulder ...
s. This is an extreme example but exemplifies what has been fairly thoroughly documented since the Second World War: tanks and infantry work best by taking advantage of each other's strengths and combining to minimise the weaknesses. In many conflicts, it was usual to see infantry riding on the back of tanks, ready to jump off and provide support when necessary. Unfortunately, the design of many modern tanks makes this a dangerous practice. The
turboshaft A turboshaft engine is a form of gas turbine that is optimized to produce shaftpower rather than jet thrust. In concept, turboshaft engines are very similar to turbojets, with additional turbine expansion to extract heat energy from the exhaust ...
-powered
M1 Abrams The M1 Abrams is a third-generation American main battle tank designed by Chrysler Defense (now General Dynamics Land Systems) and named for General Creighton Abrams. Conceived for modern armored ground warfare and now one of the heaviest ta ...
, for example, has such hot exhaust gas that nearby infantry have to be careful where they stand. Tanks can also be very vulnerable to well aimed
artillery Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during siege ...
; well-coordinated air support and counter-battery artillery units can help overcome this.


Emergence of guided missiles

While attempts to defeat the tank were made before and during the Second World War, through the use of conventional high velocity
anti-tank Anti-tank warfare originated from the need to develop technology and tactics to destroy tanks during World War I. Since the Triple Entente deployed the first tanks in 1916, the German Empire developed the first anti-tank weapons. The first deve ...
artillery, this proved increasingly difficult in the post-war period due to increased armour protection and mobility of tanks. In response, the Soviet Union, the country with the largest armoured fleet in the world, strove to incorporate some anti-tank capability into almost every infantry weapon. By the 1960s, Soviet defense scientists were designing portable
anti-tank guided missile An anti-tank guided missile (ATGM), anti-tank missile, anti-tank guided weapon (ATGW) or anti-armor guided weapon is a guided missile primarily designed to hit and destroy heavily armored military vehicles. ATGMs range in size from shoulder ...
s. These new weapons were to be either carried by infantry, or fired from the newly developed
BMP-1 The BMP-1 is a Soviet amphibious tracked infantry fighting vehicle, in service 1966–present. BMP stands for ''Boyevaya Mashina Pyekhoty 1'' (russian: link=no, Боевая Машина Пехоты 1; БМП-1), meaning "infantry fighting ...
infantry fighting vehicle. They were in use with Soviet forces before the end of the decade. In 1973, the Israeli Army failed to anticipate the importance of these new weapon systems. Hundreds of
AT-3 Sagger The 9M14 Malyutka (russian: Малютка, links=no; "Little one", NATO reporting name: AT-3 Sagger) is a manual command to line of sight (MCLOS) wire-guided anti-tank guided missile (ATGM) system developed in the Soviet Union. It was the firs ...
man-portable anti-tank guided missiles (ATGMs), supplied to
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...
by the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
and could be operated by infantry without having extensive training, inflicted heavy losses on the Israeli armoured formations. Since then, ATGMs have played an important role within the Israeli Army, having developed advanced domestic-made versions (''see'' Spike/Gil missile), which have been widely exported throughout the world. In the recent 2006 conflict with Hezbollah, while Israeli infantry were able to easily defeat opposing ATGM teams, tanks operating on their own suffered several hits from the latest advanced Russian tandem-warhead types (such as the
Kornet The 9M133 Kornet (russian: Корнет; "Cornet", NATO reporting name AT-14 Spriggan, export designation Kornet-E) is a Russian man-portable anti-tank guided missile (ATGM) intended for use against main battle tanks. It was first introduced ...
). This highlighted that tanks operating solely, in the era of ATGMs, are extremely vulnerable. Responding to the serious tank losses suffered against Hezbollah,
Rafael Advanced Defense Systems Rafael Advanced Defense Systems Ltd. ( he, רפאל - מערכות לחימה מתקדמות בע"מ, formerly Rafael Armament Development Authority), ("Rafael" from Hebrew acronym of "Authority for the Development of Armaments" - ) is an Israel ...
in cooperation with
Israel Aircraft Industries Israel Aerospace Industries (Hebrew: התעשייה האווירית לישראל ''ha-ta'asiya ha-avirit le-yisra'el'') or IAI (תע"א) is Israel's major aerospace and aviation manufacturer, producing aerial and astronautic systems for both mi ...
developed a missile defence system for tanks, called
Trophy A trophy is a tangible, durable reminder of a specific achievement, and serves as a recognition or evidence of merit. Trophies are often awarded for sporting events, from youth sports to professional level athletics. In many sports medals (or, in ...
, to intercept and destroy anti tank missiles. The system was successfully deployed in combat on March 1, 2011, when it intercepted an anti tank missile during an engagement on the Gaza border.


NATO

During the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because the ...
,
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...
assumed armoured warfare to be a dominant aspect of conventional ground warfare in Europe. Although the use of light tanks was largely discontinued, and heavy tanks were also mostly abandoned, the medium tank design evolved into heavier models due to increase in armour and larger sized main weapon resulting in the
main battle tank A main battle tank (MBT), also known as a battle tank or universal tank, is a tank that fills the role of armor-protected direct fire and maneuver in many modern armies. Cold War-era development of more powerful engines, better suspension sys ...
(MBT) which came into existence, combining most of the different types of tanks during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. For the most part the NATO armoured doctrine remained defensive, and dominated by use of nuclear weapons as deterrence. Although most NATO nations began the Cold War period with a large number of U.S.-designed tanks in their fleets, there was a considerable degree of disagreement on the design of future MBTs among the NATO major nations. Both the U.S. and Germany experimented with, but abandoned the missile-armed
MBT-70 The MBT-70 (German: ''KPz 70 or KpfPz 70'') was an American– West German joint project to develop a new main battle tank during the 1960s. The MBT-70 was developed by the United States and West Germany in the context of the Cold War, intend ...
. The
M26 Pershing The M26 Pershing was a heavy tank/ medium tank of the United States Army. It was used in the last months of World War II during the Invasion of Germany and extensively during the Korean War. The tank was named after General of the Armies John J ...
basic design of the United States would evolve until the M60 main battle tank was replaced with the gas-turbine powered
M1 Abrams The M1 Abrams is a third-generation American main battle tank designed by Chrysler Defense (now General Dynamics Land Systems) and named for General Creighton Abrams. Conceived for modern armored ground warfare and now one of the heaviest ta ...
in the 1980s. The British Army also retained a World War II tank design, the
Centurion A centurion (; la, centurio , . la, centuriones, label=none; grc-gre, κεντυρίων, kentyríōn, or ) was a position in the Roman army during classical antiquity, nominally the commander of a century (), a military unit of around 80 ...
, which proved to be highly successful and was not fully replaced until the 1970s. The
West German West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
''
Bundeswehr The ''Bundeswehr'' (, meaning literally: ''Federal Defence'') is the armed forces of the Federal Republic of Germany. The ''Bundeswehr'' is divided into a military part (armed forces or ''Streitkräfte'') and a civil part, the military part con ...
'' decided to develop their own tank in the 1960s, and in the 1970s produced the Leopard I, which was a somewhat lighter design, conforming to German doctrine that emphasised speed over protection. From the same initial collaborative project as the Leopard I, the French series of AMX tanks also emphasised manoeuvre over protection. By the 21st century, most advanced western main battle tanks were built around powerful engines, large 120 mm guns and
composite armour Composite armour is a type of vehicle armour consisting of layers of different material such as metals, plastics, ceramics or air. Most composite armours are lighter than their all-metal equivalent, but instead occupy a larger volume for the sam ...
.


Warsaw Pact

The
Warsaw Pact The Warsaw Pact (WP) or Treaty of Warsaw, formally the Treaty of Friendship, Cooperation and Mutual Assistance, was a collective defense treaty signed in Warsaw, Poland, between the Soviet Union and seven other Eastern Bloc socialist republic ...
armoured doctrine was substantially influenced by the developments in the Soviet Army which sought to adopt its existing doctrine evolved during World War II to the nuclear battlefield. In the early 1960s this led to a number of important developments in the armoured forces and their supporting Arms. One important development was the transition of the Second World War use of Cavalry-Mechanised Group (CMG) into the Cold War Operational Manoeuvre Group (OMG) that was designed to exploit breakthroughs to penetrate NATO's defences in depth. This was a culmination of the Deep Battle theory dating to the 1930s. In 1964 a significant breakthrough in tank design was achieved in the Soviet Union when the
T-64 The T-64 is a Soviet tank manufactured in Kharkiv, and designed by Kharkiv Morozov Machine Building Design Bureau. The tank was introduced in the early 1960s. It was a more advanced counterpart to the T-62: the T-64 served in tank divisions, while ...
was produced which for the first time used an automatic loader, reducing the crew of the tank to three crewmen. Subsequently, this model, and the later
T-72 The T-72 is a family of Soviet/Russian main battle tanks that entered production in 1969. The T-72 was a development of the T-64, which was troubled by high costs and its reliance on immature developmental technology. About 25,000 T-72 tanks ha ...
and
T-80 The T-80 is a main battle tank (MBT) that was designed and manufactured in the former Soviet Union and manufactured in Russia. The T-80 is based on the T-64, while incorporating features from the later T-72. The chief designer of the T-80 was So ...
tanks introduced further innovations that influenced armoured warfare by introducing guided missiles into the tank ammunition mix, allowing
ATGW An anti-tank guided missile (ATGM), anti-tank missile, anti-tank guided weapon (ATGW) or anti-armor guided weapon is a Missile guidance, guided missile primarily designed to hit and destroy Armoured fighting vehicle, heavily armored military v ...
fire from standard tank guns. The Soviet Union was also one of the countries that used two Main Battle Tanks: The high-quality T-80s and lower quality T-72s. Modern Soviet tanks, like the ones mentioned, are typically armed with smooth bore guns. Advancements in Soviet tanks include improved Fire Control Systems, strong armour protected by
ERA An era is a span of time defined for the purposes of chronology or historiography, as in the regnal eras in the history of a given monarchy, a calendar era used for a given calendar, or the geological eras defined for the history of Earth. Comp ...
, and defensive countermeasures (such as Shtora-1 and Arena). The most advanced Soviet tank, up until the end of the Cold War, was the T-80U, which shared similar characteristics with the M1A1(Turbine engine, advanced Fire Control Systems, strong armour, and firepower)
Infantry fighting vehicle An infantry fighting vehicle (IFV), also known as a mechanized infantry combat vehicle (MICV), is a type of armoured fighting vehicle used to carry infantry into battle and provide direct-fire support. The 1990 Treaty on Conventional Armed Forc ...
s were first developed in the 1960s with the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
's
BMP-1 The BMP-1 is a Soviet amphibious tracked infantry fighting vehicle, in service 1966–present. BMP stands for ''Boyevaya Mashina Pyekhoty 1'' (russian: link=no, Боевая Машина Пехоты 1; БМП-1), meaning "infantry fighting ...
, for the first time allowing supporting infantry to accompany tanks on a battlefield when nuclear weapon use was expected. The T-64s and BMP-1s were also joined by the self-propelled guns and more importantly Mi-24
Rotary-wing aircraft A rotorcraft or rotary-wing aircraft is a heavier-than-air aircraft with rotary wings or rotor blades, which generate lift by rotating around a vertical mast. Several rotor blades mounted on a single mast are referred to as a rotor. The Internat ...
capable of firing anti-tank missiles entering production in 1970 which were built and theorised as "flying tanks". The Soviet tank troops, as they were known in the USSR, included
armoured unit Armoured warfare or armored warfare (mechanized forces, armoured forces or armored forces) (American English; see spelling differences), is the use of armored fighting vehicles in modern warfare. It is a major component of modern methods of ...
s, armoured training regiments and other formations and units.


Vietnam War

M113
armoured personnel carrier An armoured personnel carrier (APC) is a broad type of armoured military vehicle designed to transport personnel and equipment in combat zones. Since World War I, APCs have become a very common piece of military equipment around the world. Acc ...
s proved effective in the terrain of Vietnam against enemy forces which, until 1968, rarely deployed their armour. Though they were soon countered with mines and RPGs, M-113's continued service during the war, primarily evolving into
infantry fighting vehicle An infantry fighting vehicle (IFV), also known as a mechanized infantry combat vehicle (MICV), is a type of armoured fighting vehicle used to carry infantry into battle and provide direct-fire support. The 1990 Treaty on Conventional Armed Forc ...
s, known as the ''ACAV'' (Armoured Cavalry Assault Vehicle); and functioning as a "
light tank A light tank is a tank variant initially designed for rapid movements in and out of combat, to outmaneuver heavier tanks. It is smaller in size with thinner armor and a less powerful main gun, tailored for better tactical mobility and ease of ...
." More heavily armed
infantry fighting vehicle An infantry fighting vehicle (IFV), also known as a mechanized infantry combat vehicle (MICV), is a type of armoured fighting vehicle used to carry infantry into battle and provide direct-fire support. The 1990 Treaty on Conventional Armed Forc ...
s such as the
M2/M3 Bradley Fighting Vehicle The Bradley Fighting Vehicle (BFV) is a tracked armoured fighting vehicle platform of the United States developed by FMC Corporation and manufactured by BAE Systems Land & Armaments, formerly United Defense. It is named after U.S. General Omar Br ...
would be based on experience with the M113.
Gun truck A gun truck is an armored vehicle with one or more crew-served weapons, typically based on a commercial vehicle. Gun trucks often have improvised vehicle armor, such as scrap metal, concrete, gravel, or sandbags, which is added to a heavy truck ...
s were also introduced as M35 trucks fitted with armour and guns to protect convoys. In 1968, Communist forces primarily deployed the Soviet built
PT-76 The PT-76 is a Soviet amphibious light tank that was introduced in the early 1950s and soon became the standard reconnaissance tank of the Soviet Army and the other Warsaw Pact armed forces. It was widely exported to other friendly states, like ...
light tank. By 1971, the larger
T-54 The T-54 and T-55 tanks are a series of Soviet main battle tanks introduced in the years following the Second World War. The first T-54 prototype was completed at Nizhny Tagil by the end of 1945.Steven Zaloga, T-54 and T-55 Main Battle Tanks ...
medium tanks were fielded, proving themselves susceptible to the M-72 LAW rocket,
ARVN The Army of the Republic of Vietnam (ARVN; ; french: Armée de la république du Viêt Nam) composed the ground forces of the South Vietnamese military from its inception in 1955 to the Fall of Saigon in April 1975. It is estimated to have suffe ...
M41 Walker Bulldog The M41 Walker Bulldog, officially 76-mm Gun Tank, M41, was an American light tank developed for armed reconnaissance purposes. It was produced by Cadillac between 1951 and 1954 and marketed successfully to the United States Army as a replaceme ...
light tanks, as well as the larger M48A3 Pattons. In January 1969, U.S. armoured cavalry units began exchanging their M48A3 Patton tanks for the
M551 Sheridan The M551 "Sheridan" AR/AAV ( Armored Reconnaissance/Airborne Assault Vehicle) was a light tank developed by the United States and named after General Philip Sheridan, of American Civil War fame. It was designed to be landed by parachute and to sw ...
Armoured Airborne Reconnaissance Assault Vehicles; by 1970 over 200 Sheridan tanks were operating in Vietnam.


21st century

Tanks rarely work alone; the usual minimum unit size is a platoon (a platoon is the smallest U.S. Army/Marine unit led by an officer, and a component of a company or troop) of three to five tanks. The tanks of the platoon work together providing mutual support: two might advance while covered by the others then stop and provide cover for the remainder to move ahead. Normally, multiple platoons coordinate with
mechanised infantry Mechanized infantry are infantry units equipped with armored personnel carriers (APCs) or infantry fighting vehicles (IFVs) for transport and combat (see also mechanized force). As defined by the United States Army, mechanized infantry is di ...
and use their mobility and firepower to penetrate weak points in enemy lines. This is where the powerful engines, tracks and turrets come into play. The ability to rotate the turret by a full 360° allows coordinated movement within and between platoons, while defending against attacks from multiple directions and engaging troops and vehicles without stopping or slowing down. When on the defensive, they wait in prepared positions or use any natural
terrain Terrain or relief (also topographical relief) involves the vertical and horizontal dimensions of land surface. The term bathymetry is used to describe underwater relief, while hypsometry studies terrain relative to sea level. The Latin word ...
elements (such as small hills) for cover. A tank sitting just behind a hill crest ("
hull-down In sailing and warfare, hull-down means that the upper part of a vessel or vehicle is visible, but the main, lower body (hull) is not; the term hull-up means that all of the body is visible. The terms originated with sailing and naval warfare i ...
") exposes only the top of its turret, with the gun and sensors, to the enemy, leaving the smallest possible target while allowing it to engage the enemy on the other side of the hill. Tanks are usually able to depress the main gun below the horizontal since modern kinetic energy (KE) rounds have nearly flat trajectories. Without this they would be unable to exploit such positions. However, upon cresting a hill, the tank may expose its thinly armoured underside to enemy weapons. The deposition of armour around a tank is not uniform; the front is typically better armoured than the sides or rear. Accordingly, normal practice is to keep the front towards the enemy at all times; the tank retreats by reversing instead of turning around. Driving backwards away from an enemy is even safer than driving forwards towards them since driving forwards over a bump can throw the front of the tank up in the air, exposing the thin armour of the underside and taking the gun off the target due to its limited angle of depression. The tracks, wheels and suspension of a tank are outside the armoured hull and are some of the most vulnerable spots. The easiest way to disable a tank (other than a direct hit in a vulnerable area with a full-power anti-tank weapon) is to target the tracks for a "
mobility kill A mobility kill (or M-kill) in armoured warfare is a weapon or vehicle that is immobilized, or the act of immobilizing such a target. This is often caused by the vehicle triggering an anti-tank mine by driving over it, though it may also result ...
" (''m-kill''), or target all external visual aids with rubbery cohesive substances such as melted rubber or blackened high viscosity epoxy resins. Once a tank is disabled it is easier to destroy. This is why side-skirts are an important feature; they can deflect heavy machine-gun bullets and trigger the detonation of
high-explosive anti-tank High-explosive anti-tank (HEAT) is the effect of a shaped charge explosive that uses the Munroe effect to penetrate heavy armor. The warhead functions by having an explosive charge collapse a metal liner inside the warhead into a high-velocity ...
(HEAT) rounds before they strike the running gear. Other vulnerable parts of a typical tank include the engine deck (with air intakes, radiators, etc.) and the turret ring, where the turret joins the hull. When used defensively, tanks are often sunk into trenches or placed behind earth
berm A berm is a level space, shelf, or raised barrier (usually made of compacted soil) separating areas in a vertical way, especially partway up a long slope. It can serve as a terrace road, track, path, a fortification line, a border/ separation ...
s for increased protection. The tanks can fire off a few shots from their defensive position, then retreat (reversing) to another prepared position further back and drive behind the berms or into the trenches there. These positions can be constructed by the tank crews, but preparations are better and quicker if carried out by combat engineers with bulldozers. Overhead protection, even if it is fairly thin, can also be very useful since it can help pre-detonate artillery shells and avoid direct hits from above which can be deadly to tanks, by striking them at their thinnest armour. In short, tank crews find as many ways as possible to augment the armour on their vehicles. Tanks usually go into battle with a round in the gun, ready to fire, to minimise reaction time when encountering an enemy. The US doctrine calls for this round to be a kinetic energy (KE) round, as the reaction time is most important when meeting enemy tanks, to get the first shot (and possibly the first kill). If troops or light vehicles are encountered, the usual response is to fire this round at them, despite it not being ideal—it is difficult and time-consuming to remove a round which is already in the
breech Breech may refer to: * Breech (firearms), the opening at the rear of a gun barrel where the cartridge is inserted in a breech-loading weapon * breech, the lower part of a pulley block * breech, the penetration of a boiler where exhaust gases leav ...
. In this case, after the KE round is fired, a HEAT round would normally be loaded next to continue the engagement. Tanks can be decisive in city fighting, with the ability to demolish walls and fire medium and heavy machine guns in several directions simultaneously. However, tanks are especially vulnerable in urban combat. It is much easier for enemy infantry to sneak up behind a tank or fire at its sides, where it is most vulnerable. In addition, firing down from multi-story buildings allows shots at the thin upper turret armour and even basic weapons like
Molotov cocktail A Molotov cocktail (among several other names – ''see other names'') is a hand thrown incendiary weapon constructed from a frangible container filled with flammable substances equipped with a fuse (typically a glass bottle filled with flamma ...
s, if aimed at the engine air intakes, can disable a tank. Because of these limits, tanks are difficult to use in city conflicts where civilians or friendly forces might be nearby, since their firepower can't be used effectively.


Airborne threats

Tanks and other armoured vehicles are vulnerable to attack from the air for several reasons. One is that they are easily detectable—the metal they are made of shows up well on radar, and is especially obvious if they are moving in formation. A moving tank also produces a lot of heat, noise and dust. The heat makes seeing them on a forward-looking infra-red system easy and the dust is a good visual clue during the day. The other major reason is that most armoured vehicles have thinner armour on the roof of the turret and on the engine deck, so an anti-tank guided missile (from an attack helicopter or ground-attack jet) hitting them from the top can be deadly even if it has a small warhead. Even a small automatic cannon is powerful enough to penetrate the rear and top sections of the engine compartment of a tank. Certain aircraft have been developed to attack armoured vehicles. Most notable is the purpose-built Fairchild-Republic
A-10 Thunderbolt II The Fairchild Republic A-10 Thunderbolt II is a single-seat, twin-turbofan, straight-wing, subsonic attack aircraft developed by Fairchild Republic for the United States Air Force (USAF). In service since 1976, it is named for the Republic ...
, also known as the "Warthog". Although able to carry a number of different missiles and bombs (including anti-tank ordnance such as the
AGM-65 Maverick The AGM-65 Maverick is an air-to-ground missile (AGM) designed for close air support. It is the most widely produced precision-guided missile in the Western world, and is effective against a wide range of tactical targets, including armor, ...
), the A-10's main weapon is a 30 mm
GAU-8/A Avenger The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is primarily mounted in the United States Air Force's Fairchild Republic A-10 Thunderbolt II. Designed to destroy a wide variety of g ...
Gatling gun The Gatling gun is a rapid-firing multiple-barrel firearm invented in 1861 by Richard Jordan Gatling. It is an early machine gun and a forerunner of the modern electric motor-driven rotary cannon. The Gatling gun's operation centered on a cyc ...
which is capable of firing 3,900
depleted uranium Depleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope than natural uranium.: "Depleted uranium possesses only 60% of the radioactivity of natural uranium, hav ...
armour-piercing rounds per minute. The Russian equivalent is the SU-25. Similarly, a number of helicopter gunships have been designed mainly to engage enemy armoured vehicles. The
AH-1Z Viper The Bell AH-1Z Viper is a twin-engine attack helicopter, based on the AH-1W SuperCobra, designed and produced by the American aerospace manufacturer Bell Helicopter. Being one of the latest members of the prolific Bell Huey family, it is also ca ...
,
AH-64 Apache The Boeing AH-64 Apache () is an American twin-turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two. It features a nose-mounted sensor suite for target acquisition and night vis ...
,
HAL Light Combat Helicopter The HAL Prachand (IPA: prəcəɳɖ, lit.''"Fierce"'') is an Indian multi-role, light attack helicopter designed and manufactured by the Hindustan Aeronautics Limited (HAL) under project LCH. It has been ordered by the Indian Air Force and t ...
,
Denel Rooivalk The Denel Rooivalk (previously designated AH-2 and CSH-2) is an attack helicopter manufactured by Denel Aviation of South Africa. ''Rooivalk'' is Afrikaans for "Red Falcon", which refers to the lesser kestrel. Development of the type began in ...
,
Eurocopter Tiger The Eurocopter Tiger is a four-blade, twin-engine attack helicopter which first entered service in 2003. It is manufactured by Airbus Helicopters (formerly Eurocopter), which arose from the merger of Aérospatiale's and DASA's respective he ...
, Ka-50 Black Shark, Mi-28 Havoc, A129 Mangusta and
Westland Lynx The Westland Lynx is a British multi-purpose twin-engined military helicopter designed and built by Westland Helicopters at its factory in Yeovil. Originally intended as a utility craft for both civil and naval usage, military interest led t ...
are examples. Helicopters are very effective against armoured vehicles for many reasons. The AH-64D Longbow Apache, for example, is equipped with an improved sensor suite and weapon systems and the AN/APG-78 Longbow Fire Control Radar dome installed over the main rotor. Airborne threats can be countered in several ways. One is
air supremacy Aerial supremacy (also air superiority) is the degree to which a side in a conflict holds control of air power over opposing forces. There are levels of control of the air in aerial warfare. Control of the air is the aerial equivalent of com ...
. This is what the United States relies on most, which is demonstrated by their distinct lack of effective short-range, mobile air defence vehicles to accompany armoured units. Most other countries accompany their armoured forces with highly mobile self-propelled anti-aircraft guns such as the German Gepard or the Soviet
9K22 Tunguska The 2K22 Tunguska (russian: 2К22 "Тунгуска") is a Soviet and now Russian tracked self-propelled anti-aircraft weapon armed with a surface-to-air gun and missile system. It is designed to provide day and night protection for infantry and ...
, short and medium-range
surface-to-air missile A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched from the ground to destroy aircraft or other missiles. It is one type of anti-aircraft syst ...
systems such as the
SA-6 The 2K12 ''"Kub"'' (russian: 2К12 "Куб"; en, cube) (NATO reporting name: SA-6 "Gainful") mobile surface-to-air missile system is a Soviet low to medium-level air defence system designed to protect ground forces from air attack. "2К12" is ...
,
SA-8 The 9K33 ''Osa'' (, literally "wasp"; NATO reporting name SA-8 ''Gecko'') is a highly mobile, low-altitude, short-range tactical surface-to-air missile system developed in the Soviet Union in the 1960s and fielded in 1972. Its export version ...
and
SA-11 The Buk (russian: link=no, "Бук"; "beech" (tree), ) is a family of self-propelled anti-aircraft weapon, self-propelled, medium-range surface-to-air missile systems developed by the Soviet Union and its successor state, the Russian Federation ...
, or combine both on the same vehicle (the Tunguska for example can also host
SA-19 The 2K22 Tunguska (russian: 2К22 "Тунгуска") is a Soviet and now Russian Caterpillar track, tracked self-propelled anti-aircraft weapon armed with a Surface-to-air missile, surface-to-air gun and missile system. It is designed to provide ...
SAM missiles). The usage of anti-aircraft rounds fired from the main gun of a tank has been increasing over the years. An example is the HE-FRAG round from the
T-90 The T-90 is a third-generation Russian main battle tank. It uses a 125mm 2A46 smoothbore main gun, the 1A45T fire-control system, an upgraded engine, and gunner's thermal sight. Standard protective measures include a blend of steel and compos ...
which can be detonated at a set distance as determined by its
laser range finder A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in ...
.


Engineering support

Armoured warfare is mechanically and logistically intensive and requires extensive support mechanisms. Armoured fighting vehicles require ''armoured'' vehicles capable of working in the same terrain to support them. These are operated by the appropriate branches of the army, e.g. recovery and maintenance vehicles by the REME and combat engineering vehicles by the RE in the British Army. These include: *
Armoured recovery vehicle An armoured recovery vehicle (ARV) is typically a powerful tank or armoured personnel carrier (APC) chassis modified for use during combat for military vehicle recovery (towing) or repair of battle-damaged, stuck, and/or inoperable armoured f ...
s (ARV)—many of these are based on the chassis for the vehicle they support. E.g. the ARV for the UK Challenger tank is a Challenger hull onto which a winch is added. *
Armoured supply vehicles Armour (British English) or armor (American English; see American and British English spelling differences#-our, -or, spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especial ...
*
Combat engineering vehicles Combat ( French for ''fight'') is a purposeful violent conflict meant to physically harm or kill the opposition. Combat may be armed (using weapons) or unarmed ( not using weapons). Combat is sometimes resorted to as a method of self-defense, or ...
(CEV), e.g. bulldozers For transporting tracked AFVs over highways, heavy transporters are used, since AFVs are prone to malfunction and their tracks also ruin the highways.


Light tanks and tank destroyers

While tanks are integral to armoured warfare, when power projection is required, the inability to perform rapid deployment has always been a limit of heavy
main battle tank A main battle tank (MBT), also known as a battle tank or universal tank, is a tank that fills the role of armor-protected direct fire and maneuver in many modern armies. Cold War-era development of more powerful engines, better suspension sys ...
s. It takes a few weeks to transfer tanks and their supporting equipment by air or sea. Some tanks and armoured vehicles can be dropped by parachute, or carried by cargo airplanes or helicopters. The largest transports can only carry one or two main battle tanks. Smaller transports can only carry or air drop light tanks and APCs such as the M113. The desire to create air-portable armoured vehicles that can still take on conventional MBTs has usually resulted in
ATGM An anti-tank guided missile (ATGM), anti-tank missile, anti-tank guided weapon (ATGW) or anti-armor guided weapon is a guided missile primarily designed to hit and destroy heavily armored military vehicles. ATGMs range in size from shoulder ...
-armed light vehicles or in self-propelled gun style vehicles. The lack of armour protection is offset by the provision of a first-look/first-hit/first-kill capability through the mating of a powerful gun to superior targeting electronics, a concept similar to that of the US
tank destroyer A tank destroyer, tank hunter, tank killer, or self-propelled anti-tank gun is a type of armoured fighting vehicle, armed with a direct fire artillery gun or missile launcher, designed specifically to engage and destroy enemy tanks, often wi ...
s of World War II. Vehicles which have put such considerations into practice include the
Stingray light tank The Stingray, sometimes known as the Commando Stingray, is a light tank produced by Textron Marine & Land Systems division (formerly Cadillac Gage). It was specifically designed to use as many existing components of other American armored figh ...
,
AMX 10 RC The AMX-10 RC is a French armoured fighting vehicle manufactured by GIAT for armoured reconnaissance purposes. Equipping French cavalry units since 1981, over 240 are still in service with the French Army as of 2021. In addition, 108 units were ...
and
B1 Centauro The Centauro is a family of Italian military vehicles originating from a wheeled tank destroyer for light to medium territorial defense and tactical reconnaissance. It was developed by a consortium of manufacturers, the Società Consortile Iveco ...
. Most such US projects to create such vehicles have been abortive, e.g. the
M8 Armored Gun System The M8 Armored Gun System (AGS), sometimes known as the Buford, is an American light tank that was intended to replace the M551 Sheridan and TOW missile-armed Humvees in the 82nd Airborne Division and 2nd Armored Cavalry Regiment (2nd ACR) of ...
. The most common was the flawed
M551 Sheridan The M551 "Sheridan" AR/AAV ( Armored Reconnaissance/Airborne Assault Vehicle) was a light tank developed by the United States and named after General Philip Sheridan, of American Civil War fame. It was designed to be landed by parachute and to sw ...
light tank. This was an air-portable tank capable of destroying heavier tanks using the revolutionary (for the time) 152 mm
CLGP Cannon-launched guided projectiles (CLGP) are precision-guided munitions launched by howitzers, mortars, tank guns, and naval guns. Those projectile main propulsion system is the initial kinetic shoot, directed as much as possible toward the target ...
launcher. The combat effectiveness of this tank was limited by the unreliable MGM-51 missile. The latest iteration of the mobile anti-tank gun platform in American service is the
M1134 Anti-Tank Guided Missile Vehicle M1134 Anti-Tank Guided Missile Vehicle is a U.S. anti-tank missile carrier that is an armored fighting vehicle from the Stryker family of vehicles. As the primary tank destroyer system of the US Army's Stryker Brigade Combat Team (SBCT), the M113 ...
, a
Stryker The Stryker is a family of eight-wheeled armored fighting vehicles derived from the Canadian LAV III. Stryker vehicles are produced by General Dynamics Land Systems-Canada (GDLS-C) for the United States Army in a plant in London, Ontario. It ...
variant equipped with
TOW Missile The BGM-71 TOW ("Tube-launched, Optically tracked, Wire-guided") is an American anti-tank missile. TOW replaced much smaller missiles like the SS.10 and ENTAC, offering roughly twice the effective range, a more powerful warhead, and a greatly ...
s; most modern militaries operate comparable vehicles. Though limited conflicts (such as the insurgency in Iraq) rarely involve direct combat between armoured vehicles, the need to defend against insurgent attacks and IEDs has resulted in the application of armour to light vehicles and the continued use of armoured transports, fighting vehicles and tanks.


See also


Theorists and practitioners


Notes


References

* Goldman, Stuart D. ''Nomonhan, 1939; The Red Army's Victory That Shaped World War II.'' 2012,
Naval Institute Press The United States Naval Institute (USNI) is a private non-profit military association that offers independent, nonpartisan forums for debate of national security issues. In addition to publishing magazines and books, the Naval Institute holds se ...
. . * * Hofmann, George F. and Starry, Donn A., eds. "Camp Colt to Desert Storm: The History of U.S. Armored Forces." 1999; University Press of Kentucky. . * Hunnicutt, R. P. ''Patton: A History of the American Main Battle Tank.'' 1984; Presidio Press. . * Hunnicutt, R. P. ''Firepower: A History of the American Heavy Tank.'' 1988; Presidio Press. . * * Perrett, Bryan, 1990, ''Tank Warfare: Combat Development in World War Two'', Arms and Armour Press, London. * Starry, Donn. A, General. ''Mounted Combat In Vietnam.'' Department of the Army; First printing 1978. * Pöhlmann, Markus 1990, ''Der Panzer und die Mechanisierung des Krieges: Eine deutsche Geschichte 1890 bis 1945'', Ferdinand Schöningh, Paderborn. * Stockwell, David B. ''Tanks In The Wire.'' 1990. . * Zaloga, Steven J. ''Japanese Tanks 1939–45.'' 2007; Osprey. . * Zaloga, Steven. ''Armored Thunderbolt, The US Army Sherman in World War II.'' 2008. Stackpole Books. . * Zumbro, Ralph. ''The Iron Cavalry.'' 1998, Pocket Books. .


External links


Tanks Encyclopedia


* Historic films showing tank warfare during the First World War a
europeanfilmgateway.eu
* Educational video of how armored vehicles are use
on the battlefield.
{{DEFAULTSORT:Armoured Warfare