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The development 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 in
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 ...
was a response to the stalemate that developed on the
Western Front Western Front or West Front may refer to: Military frontiers *Western Front (World War I), a military frontier to the west of Germany *Western Front (World War II), a military frontier to the west of Germany *Western Front (Russian Empire), a majo ...
. Although vehicles that incorporated the basic principles of the tank (armour, firepower, and all-terrain mobility) had been projected in the decade or so before the War, it was the alarmingly heavy casualties of the start of its
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 ...
that stimulated development. Research took place in both Great Britain and France, with Germany only belatedly following the Allies' lead. In Great Britain, an initial vehicle, nicknamed
Little Willie Little Willie was a prototype in the development of the British Mark I tank. Constructed in the autumn of 1915 at the behest of the Landship Committee, it was the first completed tank prototype in history. ''Little Willie'' is the oldest survi ...
, was constructed at William Foster & Co., during August and September 1915. The prototype of a new design that became the Mark I tank was demonstrated to the
British Army The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurk ...
on 2 February 1916. Although initially termed "Landships" by the
Landship Committee The Landship Committee was a small British committee formed during the First World War to develop armoured fighting vehicles for use on the Western Front. The eventual outcome was the creation of what is now called the tank. Established in Februa ...
, production vehicles were named "tanks", to preserve secrecy. The term was chosen when it became known that the factory workers at William Foster referred to the first prototype as "the tank" because of its resemblance to a steel water tank. The French fielded their first tanks in April 1917 and ultimately produced far more tanks than all other countries combined. The
Germans , native_name_lang = de , region1 = , pop1 = 72,650,269 , region2 = , pop2 = 534,000 , region3 = , pop3 = 157,000 3,322,405 , region4 = , pop4 = ...
, on the other hand, began development only in response to the appearance of Allied tanks on the battlefield. Whilst the Allies manufactured several thousand tanks during the war, Germany deployed only 18 of its own. The first tanks were mechanically unreliable. There were problems that caused considerable attrition rates during
combat 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 ...
deployment and transit. The heavily shelled terrain was impassable to conventional vehicles, and only highly mobile tanks such as the
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 ...
s and Mark IV performed reasonably well. The Mark I's rhomboid shape, caterpillar tracks, and length meant that it could negotiate obstacles, especially wide trenches, that wheeled vehicles could not. Along with the tank, the first
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 ...
(the British Gun Carrier Mk I) and the first
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 ...
followed the invention of tanks.


Conceptual roots

The conceptual roots of the tank go back to ancient times, with siege engines that were able to provide protection for troops moving up against stone walls or other fortifications. With the coming of the
Industrial Revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...
and the demonstrable power of steam, James Cowan presented a proposal for a Steam Powered Land Ram in 1855, towards the end of the
Crimean War The Crimean War, , was fought from October 1853 to February 1856 between Russia and an ultimately victorious alliance of the Ottoman Empire, France, the United Kingdom and Piedmont-Sardinia. Geopolitical causes of the war included the de ...
. Looking like a helmet on 'footed' Boydell wheels, early forerunners of the
Pedrail wheel The pedrail wheel is a type of all-terrain wheel developed in the late 19th and early 20th century by Londoner Bramah Joseph Diplock. It consists of a series of "feet" (''pedes'' in Latin) connected to pivots on a wheel. As the wheel travels, ...
, it was essentially an armoured steam tractor equipped with
cannon A cannon is a large- caliber gun classified as a type of artillery, which usually launches a projectile using explosive chemical propellant. Gunpowder ("black powder") was the primary propellant before the invention of smokeless powder ...
and rotating
scythe A scythe ( ) is an agricultural hand tool for mowing grass or harvesting crops. It is historically used to cut down or reap edible grains, before the process of threshing. The scythe has been largely replaced by horse-drawn and then tractor m ...
s sprouting from the sides. Lord Palmerston is said to have dismissed it as 'barbaric'. From 1904 to 1909, David Roberts, the engineer and
managing director A chief executive officer (CEO), also known as a central executive officer (CEO), chief administrator officer (CAO) or just chief executive (CE), is one of a number of corporate executives charged with the management of an organization especially ...
of Hornsby & Sons of
Grantham Grantham () is a market and industrial town in the South Kesteven district of Lincolnshire, England, situated on the banks of the River Witham and bounded to the west by the A1 road. It lies some 23 miles (37 km) south of the Lincoln and ...
, built a series of
tractor A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction. Most common ...
s using his patented 'chain-track', which were put through their paces by 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 ...
, a (small) section of which wanted to evaluate artillery tractors. At one point in 1908, Major William E. Donohue of the Mechanical Transport Committee remarked to Roberts that he should design a new machine with armour that could carry its own gun. However, disheartened by years of ultimately-fruitless tinkering for the Army, Roberts did not take up the idea. In later years, he expressed regret at not having pursued it. An engineer in the Austro-Hungarian Army, Lieutenant
Gunther Burstyn Gunther Adolf Burstyn (6 July 1879 in Bad Aussee, Steiermark – 15 April 1945 in Korneuburg, Lower Austria) was an inventor, technician, and officer of the Austro-Hungarian Army. He is best known for his ''Motorgeschütz'', the first detailed ...
, designed a tracked armoured vehicle in 1911 carrying a light gun in a rotating turret; equipped also with hinged 'arms', two in front and two at the rear, carrying wheels on the ends to assist with obstacles and trenches, it was a very forward-looking design, if rather small. The
Austro-Hungarian Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...
government said that it would be interested in evaluating it if Burstyn could secure commercial backing to produce a prototype. Lacking the requisite contacts, he let it drop. An approach to the German government was similarly fruitless. In 1912,
Lancelot De Mole Lancelot Eldin "Lance" de Mole CBE, (13 March 1880 – 6 May 1950) was an Australian engineer and inventor. He made several approaches to the British authorities, in 1912, 1914, and 1916, with plans for a vehicle driven by a type of caterpillar ...
, of
South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...
, submitted a proposal to the British
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 ...
for a "chain-rail vehicle which could be easily steered and carry heavy loads over rough ground and trenches". De Mole made more proposals to the War Office in 1914 and 1916, with a culminating proposal in late 1917, accompanied by a huge one-eighth scale model, but all fell on substantially-deaf ears. De Mole's proposal already had the climbing face, which was so typical of the later World War I British tanks, but it is unknown whether there was some connection. Inquiries to the government of
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
after the war yielded polite responses that Mr. De Mole's ideas had unfortunately been too advanced for the time to be properly recognised at their just value. The Commission on Awards to Inventors in 1919, which adjudicated all the competing claims to the development of the tank, recognised the brilliance of De Mole's design and even considered that it was superior to the machines actually developed, but its narrow remit allowed it only to make a payment of £987 to De Mole to cover his expenses. He noted in 1919 that he was urged by friends before the war to approach the Germans with his design but declined to do so for patriotic reasons. Before
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 ...
, motorised vehicles were still relatively uncommon, and their use on the battlefield was initially limited, especially of heavier vehicles. Armoured cars soon became more common with most belligerents, especially in more-open terrain. On 23 August 1914 the French Colonel Jean Baptiste Eugène Estienne, later a major proponent of tanks, declared, ''Messieurs, la victoire appartiendra dans cette guerre à celui des deux belligérants qui parviendra le premier à placer un canon de 75 sur une voiture capable de se mouvoir en tout terrain'' ("Gentlemen, victory will belong in this war to the one of the two belligerents that will manage to be the first to succeed in putting a 75 mm cannon on a vehicle that can move on all types of terrain"). Armored cars indeed proved useful in open land, such as in deserts, but were not very good at crossing obstacles, such as trenches and barriers, or in more-challenging terrain. The other issue was that it was very hard to add much protection or armament. The main limitation was the wheels, which gave a high
ground pressure Ground pressure is the pressure exerted on the ground by the tires or tracks of a motorized vehicle, and is one measure of its potential mobility, especially over soft ground. It also applies to the feet of a walking person or machine. Ground pre ...
for the vehicle's weight. That could be solved by adding more wheels, but unless they also were driven, the effect was to reduce traction on the powered wheels. Driving extra wheels meant more drive train weight, which required a larger and heavier engine to maintain performance. Even worse, none of the extra weight was put into an improvement of armour or armament carried, and the vehicles could still not cross very rough terrain. The adoption of
caterpillar track Continuous track is a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the weight of the vehicle b ...
s offered a new solution to the problem. The tracks spread the weight of the vehicles over a much greater area, all of which was for traction to move the vehicle. The limitation on armour and firepower was no longer the ground pressure but the power and weight of the power-plant. The remaining issue was how to use and configure a vehicle. Major
Ernest Dunlop Swinton Major-General Sir Ernest Dunlop Swinton, (21 October 1868 – 15 January 1951) was a British Army officer who played a part in the development and adoption of the tank during the First World War. He was also a war correspondent and author of sev ...
of the
Royal Engineers The Corps of Royal Engineers, usually called the Royal Engineers (RE), and commonly known as the ''Sappers'', is a corps of the British Army. It provides military engineering and other technical support to the British Armed Forces and is heade ...
was the official British war correspondent serving in France in 1914 and recounted in his book ''Eyewitness'' how the idea of using caterpillar tracks to drive an armoured fighting vehicle came to him on 19 October 1914 while he was driving through northern France. In July 1914, he had received a letter from a friend, Hugh Marriott, a mining engineer, who drew his attention to a Holt caterpillar tractor that Marriott had seen in Belgium. Marriott thought that it might be useful for transport over difficult ground, and Swinton had passed the information on to the appropriate departments. Swinton then suggested the idea of an armoured tracked vehicle to the military authorities by sending a proposal to Lieutenant-Colonel Maurice Hankey, who tried to interest Lord Kitchener in the idea. When that failed, he sent a memorandum in December to the
Committee of Imperial Defence The Committee of Imperial Defence was an important ''ad hoc'' part of the Government of the United Kingdom and the British Empire from just after the Second Boer War until the start of the Second World War. It was responsible for research, and som ...
, of which he was himself the secretary.
Winston Churchill Sir Winston Leonard Spencer Churchill (30 November 187424 January 1965) was a British statesman, soldier, and writer who served as Prime Minister of the United Kingdom twice, from 1940 to 1945 Winston Churchill in the Second World War, dur ...
the First Lord of the Admiralty was one of the members of the committee. Hankey proposed to build a gigantic steel roller pushed by tracked tractors to shield the advancing infantry. Churchill, in turn, wrote a note on 5 January to Prime Minister
H. H. Asquith Herbert Henry Asquith, 1st Earl of Oxford and Asquith, (12 September 1852 – 15 February 1928), generally known as H. H. Asquith, was a British statesman and Liberal Party politician who served as Prime Minister of the United Kingdom f ...
and warned that the Germans might any moment introduce a comparable system. A worried Asquith now ordered Kitchener to form a committee, headed by
General Scott-Moncrieff Major General Sir George Kenneth Scott-Moncrieff (3 October 1855 – 4 June 1924) was a Scottish soldier and engineer. Early life Scott-Moncrieff was born in Bengal, British India, the younger son of Maj. Alexander Pringle Scott-Moncrieff, of ...
, to study the feasibility of Swinton's idea; however, after trials with a Holt 75 horsepower machine, the committee concluded in February 1915 that the idea was impractical.


Landship Committee

Churchill, however, decided that unless the Army took up the idea, the
Navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and ...
should proceed independently, even if it exceeded the limits of his authority. He created the
Landship Committee The Landship Committee was a small British committee formed during the First World War to develop armoured fighting vehicles for use on the Western Front. The eventual outcome was the creation of what is now called the tank. Established in Februa ...
in February 1915, initially to investigate designs for a massive troop transporter. As a truer picture of front-line conditions was developed the aims of the investigation changed. A requirement was formulated for an armoured vehicle capable of 4 mph (6 km/h), climbing a 5 feet (1.5 m) high parapet, crossing an 8 feet (2.4 m) wide gap, and armed with machine guns and a light
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 ...
piece. A similar proposal was working its way through the Army GHQ in France, and in June, the Landships Committee was made a joint service venture between the War Office and the Admiralty. The Naval involvement in Armoured Fighting Vehicle (AFV) design had originally come about through the
Royal Naval Air Service The Royal Naval Air Service (RNAS) was the air arm of the Royal Navy, under the direction of the Admiralty's Air Department, and existed formally from 1 July 1914 to 1 April 1918, when it was merged with the British Army's Royal Flying Corps t ...
Armoured Car Division, the only British unit fielding AFVs in 1914. Surprisingly, until the end of the war, most experimentation on heavy land vehicles was conducted by the
Royal Naval Air Service The Royal Naval Air Service (RNAS) was the air arm of the Royal Navy, under the direction of the Admiralty's Air Department, and existed formally from 1 July 1914 to 1 April 1918, when it was merged with the British Army's Royal Flying Corps t ...
Squadron 20. At first, protecting heavy gun tractors with armour appeared the most promising line of development. Alternative early 'big wheel' designs on the lines of the Russian tsar tank of 1915 were soon understood to be impractical. However, adapting the existing
Holt Company The Holt Manufacturing Company began with the 1883 founding of Stockton Wheel Service in Stockton, California, United States. Benjamin Holt, later credited with patenting the first workable crawler ("caterpillar") tractor design, incorporated ...
caterpillar designs, the only robust tracked tractors available in 1915 into a fighting machine, which France and Germany did, was decided against. Although armour and weapon systems were easy to acquire, other existing caterpillar and suspension units were too weak, existing engines were underpowered for the vehicles that the designers had in mind and the ability to cross trenches was poor because of the shortness of the
wheelbase In both road and rail vehicles, the wheelbase is the horizontal distance between the centers of the front and rear wheels. For road vehicles with more than two axles (e.g. some trucks), the wheelbase is the distance between the steering (front ...
. The Killen-Strait tractor with three tracks was used for the first experiments in June but was much too small to be developed further. The large Pedrail monotrack vehicle was proposed in a number of different configurations, but none were adopted. Trials to couple two American Bullock tractors failed. There also were considerable differences of opinion between the several committee members. Col
R.E.B. Crompton Rookes Evelyn Bell Crompton, CB, FRS (31 May 1845 – 15 February 1940) was a British electrical engineer, industrialist and inventor. He was a pioneer of electric lighting and public electricity supply systems. The company he formed, Crompton ...
, a veteran military engineer and electrical pioneer, drafted numerous designs with Lucien Legros for armoured troop carrying vehicles and gun-armed vehicles, to have used either Bullock tracks or variants of the Pedrail. At the same time, Lt Robert Macfie, of the RNAS, and Albert Nesfield, an
Ealing Ealing () is a district in West London, England, west of Charing Cross in the London Borough of Ealing. Ealing is the administrative centre of the borough and is identified as a major metropolitan centre in the London Plan. Ealing was histor ...
-based engineer, devised a number of armoured tracked vehicles, which incorporated an angled front 'climbing face' to the tracks. The two men fell out bitterly as their plans came to nought; Macfie in particular pursued a vendetta against the other members of the Landships Committee after the war. To resolve the threatened dissipation of effort, it was ordered in late July that a contract was to be placed with William Foster & Co. Ltd, a company having done some prewar design work on heavy tractors and known to Churchill from an earlier experiment with a trench-crossing supply vehicle, to produce a proof-of-concept vehicle with two tracks, based on a lengthened Bullock tractor chassis. Construction work began three weeks later.
Fosters of Lincoln William Foster & Co Ltd was an agricultural machinery company based in Lincoln, Lincolnshire, England often called "Fosters of Lincoln." The company can be traced back to 1846, when William Foster purchased a flour mill in Lincoln. William Fost ...
built the 14 ton "
Little Willie Little Willie was a prototype in the development of the British Mark I tank. Constructed in the autumn of 1915 at the behest of the Landship Committee, it was the first completed tank prototype in history. ''Little Willie'' is the oldest survi ...
", which first ran on 8 September. Powered by a 105 hp (78 kW) Daimler engine, the armoured box was initially fitted with a low Bullock caterpillar. A rotating top
turret Turret may refer to: * Turret (architecture), a small tower that projects above the wall of a building * Gun turret, a mechanism of a projectile-firing weapon * Objective turret, an indexable holder of multiple lenses in an optical microscope * Mi ...
was planned with a 40 mm gun but abandoned due to weight problems, leaving the final vehicle unarmed and little more than a test-bed for the difficult track system. Difficulties with the commercial tracks supplied led to Tritton designing a completely new track system different from, and vastly more robust than, any other system then in use. The next design by Lieutenant
Walter Gordon Wilson Major Walter Gordon Wilson (21 April 1874 – 1 July 1957) was an Irish mechanical engineer, inventor and member of the British Royal Naval Air Service. He was credited by the 1919 Royal Commission on Awards to Inventors as the co-inventor of the ...
RNAS, a pre-war motor engineer, added a larger track frame to the hull of "Little Willie". In order to achieve the demanded gap clearance a rhomboidal shape was chosen—stretching the form to improve the track footprint and climbing capacity. To keep a low centre of gravity the rotating turret design was dropped in favour of
sponson Sponsons are projections extending from the sides of land vehicles, aircraft or watercraft to provide protection, stability, storage locations, mounting points for weapons or other devices, or equipment housing. Watercraft On watercraft, a spon ...
s on the sides of the hull fitted with naval 6-pounder (57 mm) guns. A final specification was agreed on in late September for trials in early 1916, and the resulting 30 ton "Big Willie" (later called "Mother") together with "Little Willie" underwent trials at
Hatfield Park Hatfield House is a country house set in a large park, the Great Park, on the eastern side of the town of Hatfield, Hertfordshire, England. The present Jacobean house, a leading example of the prodigy house, was built in 1611 by Robert C ...
on 29 January and 2 February. Attendees at the second trial included Lord Kitchener,
Lloyd George David Lloyd George, 1st Earl Lloyd-George of Dwyfor, (17 January 1863 – 26 March 1945) was Prime Minister of the United Kingdom from 1916 to 1922. He was a Liberal Party (United Kingdom), Liberal Party politician from Wales, known for lea ...
, Reginald McKenna and other political luminaries. On 12 February an initial order for 100 "Mother" type vehicles was made, later expanded to 150. Crews rarely called tanks "Willies"; at first they referred to them as "cars", and later informally "buses". Although ''landship'' was a natural term coming from an Admiralty committee, it was considered too descriptive and could give away British intentions. The committee, therefore, looked for an appropriate code term for the vehicles. Factory workers assembling the vehicles had been told they were producing "mobile water tanks" for desert warfare in
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the F ...
. ''Water Container'' was therefore considered but rejected because the committee would inevitably be known as the WC Committee (WC meaning ''water closet'' was a common British term for a
toilet A toilet is a piece of sanitary hardware that collects human urine and feces, and sometimes toilet paper, usually for disposal. Flush toilets use water, while dry or non-flush toilets do not. They can be designed for a sitting position popu ...
). The term ''tank'', as in water tank, was in December 1915 accepted as its official designation. From then on, the term "tank" was established among British and also German soldiers. While in German ''Tank'' specifically refers to the World War I type (as opposed to modern ''Panzer''), in English, Russian and other languages the name even for contemporary armored vehicles is still based on the word ''tank''. It is sometimes mistakenly stated that, after completion, the tanks were shipped to France in large wooden crates. For secrecy and in order to not arouse any curiosity, the crates and the tanks themselves were then each labeled with a destination in Russian, "With Care to
Petrograd Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
". In fact, the tanks were never shipped in crates: the inscription in Russian was applied on the hull for their transport from the factory to the first training centre at Thetford. The first fifty had been delivered to France on 30 August. They were 'male' or 'female', depending upon whether their armament comprised two 6-pounder cannons and three Hotchkiss machine guns or four
Vickers machine gun The Vickers machine gun or Vickers gun is a Water cooling, water-cooled .303 British (7.7 mm) machine gun produced by Vickers Limited, originally for the British Army. The gun was operated by a three-man crew but typically required more me ...
s and one Hotchkiss. It had a crew of eight, four of whom were needed to handle the steering and drive gears. The tanks were capable of, at best, 6  km/h (4  mph), matching the speed of marching
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 ...
with whom they were to be integrated to aid in the destruction of enemy machine guns. In practice, their speed on the broken ground could be as little as 1  mph. After the war the ''Royal Commission on Awards to Inventors'' decided that the principal inventors of the Tank were Sir William Tritton, managing director of Fosters, and Major Walter Gordon Wilson. Fosters returned to manufacturing
Traction engines A traction engine is a steam-powered tractor used to move heavy loads on roads, plough ground or to provide power at a chosen location. The name derives from the Latin ''tractus'', meaning 'drawn', since the prime function of any traction engine ...
and steam lorries, but incorporated a small trademark outline image of a tank on the front smokebox door of their postwar road locomotives. During WWII, Tritton and Wilson were called upon to design a
Heavy tank Heavy tank is a term used to define a class of tanks produced from World War I through the end of the Cold War. These tanks generally sacrificed mobility and maneuverability for better armour protection and equal or greater firepower than tanks ...
, which was known as
TOG1 The Tank, Heavy, TOG 1 was a prototype British heavy tank produced in the early part of the Second World War in the expectation that battlefields might end up like those of the First World War. It was designed so it could cross churned-up countr ...
, (named for "The Old Gang"), but this was not a success. However Lincoln City erected a full-size outline Mk 1 as a memorial to the invention of the tank in 2015, and placed it on the Tritton Road roundabout. .


First deployments

For secrecy, the six new tank companies were assigned to the Heavy Section of the
Machine Gun Corps The Machine Gun Corps (MGC) was a corps of the British Army, formed in October 1915 in response to the need for more effective use of machine guns on the Western Front in the First World War. The Heavy Branch of the MGC was the first to use tank ...
. The first use of tanks on the battlefield was the use of British Mark I tanks by C and D Companies HS MGC at the
Battle of Flers-Courcelette A battle is an occurrence of combat in warfare between opposing military units of any number or size. A war usually consists of multiple battles. In general, a battle is a military engagement that is well defined in duration, area, and force ...
(part of the
Battle of the Somme The Battle of the Somme ( French: Bataille de la Somme), also known as the Somme offensive, was a battle of the First World War fought by the armies of the British Empire and French Third Republic against the German Empire. It took place bet ...
) on Friday 15 September 1916, with mixed results. Many broke down, but nearly a third succeeded in breaking through. Of the forty-nine tanks shipped to the Somme, only thirty-two were able to begin the first attack in which they were used, and only nine made it across "no man's land" to the German lines. The tanks had been rushed into combat before the design was mature enough (against the wishes of Churchill and Ernest Swinton) and the number was small but their use gave important feedback on how to design newer tanks, the soundness of the concept and their potential to affect the course of the war. On the other hand, the French Army was critical of the British employment of small numbers of tanks at the battle. It felt the British had sacrificed the secrecy of the weapon but used it in numbers too small to be decisive. Since the British attack was part of an Anglo-French offensive, and the Russians were attacking at the same time, Haig felt justified in making a maximum effort, regardless of the limitations of the tank force. Tank crews who had read press reports depicting the new weapon driving through buildings and trees, and crossing wide rivers, were disappointed. The Mark I's were nonetheless capable of performing on the real battlefield of World War I, one of the most difficult battlefield terrains in history. Despite their reliability problems, when they worked, they could cross trenches or craters of 9 feet (2.7 m) and drive right through barbed wire. It was still common for them to get stuck, especially in larger bomb craters, but overall, the rhomboid shape allowed for extreme terrain mobility. Most World War I tanks could travel only at about a walking pace at best. Their steel armour could stop small arms fire and fragments from high-explosive artillery shells. However they were vulnerable to a direct hit from artillery and mortar shells. The environment inside was extremely unpleasant; as ventilation was inadequate the atmosphere was heavy with poisonous
carbon monoxide Carbon monoxide (chemical formula CO) is a colorless, poisonous, odorless, tasteless, flammable gas that is slightly less dense than air. Carbon monoxide consists of one carbon atom and one oxygen atom connected by a triple bond. It is the simple ...
from the engine and firing the weapons, fuel and oil vapours from the engine and cordite fumes from the weapons. Temperatures inside could reach 50
°C The degree Celsius is the unit of temperature on the Celsius scale (originally known as the centigrade scale outside Sweden), one of two temperature scales used in the International System of Units (SI), the other being the Kelvin scale. The ...
(122
°F The Fahrenheit scale () is a temperature scale based on one proposed in 1724 by the physicist Daniel Gabriel Fahrenheit (1686–1736). It uses the degree Fahrenheit (symbol: °F) as the unit. Several accounts of how he originally defined his ...
). Entire crews lost consciousness inside the tanks, or collapsed when again exposed to fresh air. Crews learned how to create and leave behind supply dumps of fuel, motor oil, and tread grease, and converted obsolete models into supply vehicles for newer ones. To counter the danger of bullet splash or fragments knocked off the inside of the hull, the crew wore helmets with goggles and chainmail masks. Fragments were not as dangerous as fire, because of explosive fumes and the large amount of fuel aboard; smoking was prohibited inside and within 20 yards outside tanks. Gas masks were also standard issue, as they were to all soldiers at this point in the war due to the use of
chemical warfare Chemical warfare (CW) involves using the toxic properties of chemical substances as weapons. This type of warfare is distinct from nuclear warfare, biological warfare and radiological warfare, which together make up CBRN, the military acronym ...
. The side armour of 8 mm initially made them largely immune to small arms fire, but could be penetrated by the recently developed armour-piercing
K bullet The K bullet (from German 'Kern', core) was a 7.92×57mm Mauser armor-piercing bullet with a tool steel core designed to be fired from a standard Mauser rifle. History The German Army first employed a "reversed bullet" with a heavier powd ...
s. There was also the danger of being overrun by infantry and attacked with grenades. The next generation had thicker armour, making them nearly immune to the K bullets. In response, the Germans developed a larger purpose-made anti-tank rifle, the
3.7 cm TAK 1918 The 3.7 cm Tankabwehrkanone 1918 in starrer Räderlafette or 3.7 cm TAK 1918, was an anti-tank gun built by Rheinmetall for the Imperial German Army near the end of the First World War. This was the world's first AT gun ever built that w ...
anti-tank gun, and also a ''Geballte Ladung'' ("Bunched Charge")—several regular stick grenades bundled together for a much bigger explosion. Engine power was a primary limitation on the tanks; the roughly one hundred horsepower engines gave a power-to-weight ratio of 3.3 hp/ton (2.5 kW/ton). By the end of the 20th century, power-to-weight ratios exceeded 20 hp/ton (15 kW/ton). Many feel that because the British Commander
Field Marshal Field marshal (or field-marshal, abbreviated as FM) is the most senior military rank, ordinarily senior to the general officer ranks. Usually, it is the highest rank in an army and as such few persons are appointed to it. It is considered as ...
Douglas Haig Field marshal (United Kingdom), Field Marshal Douglas Haig, 1st Earl Haig, (; 19 June 1861 – 29 January 1928) was a senior Officer (armed forces), officer of the British Army. During the First World War, he commanded the British Expeditionar ...
was himself a horse cavalryman, his command failed to appreciate the value of tanks. In fact,
horse 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 ...
doctrine in World War I was to "follow up a breakthrough with harassing attacks in the rear", but there were no breakthroughs on the Western Front until the tanks came along. Despite these supposed views of Haig, he made an order for 1,000 tanks shortly after the failure at the Somme and always remained firmly in favour of further production. In 1919, Major General Sir Louis Jackson said: "The tank was a freak. The circumstances which called it into existence were exceptional and not likely to recur. If they do, they can be dealt with by other means."


French developments

France at the same time developed its own tracked AFVs, but the situation there was very different. In Britain a single committee had coordinated design, and had to overcome the initial resistance of the Army, while the major industries remained passive. Almost all production effort was thus concentrated into the Mark I and its direct successors, all very similar in shape. In France, on the other hand, there were multiple and conflicting lines of development which were badly integrated, resulting in three major and quite disparate production types. A major arms producer, Schneider, took the lead in January 1915 and tried to build a first armoured vehicle based on the ''Baby Holt'' tractor but initially the development process was slow until in July they received political, even presidential, support by combining their project with that of a mechanical wire cutter devised by engineer and politician Jean-Louis Bréton. In December 1915, the influential Colonel Estienne made the Supreme Command very enthusiastic about the idea of creating an armoured force based on these vehicles; strong Army support for tanks was a constant during the decades that followed. Already in January and February 1916 quite substantial orders were made, at that moment with a total number of 800 much larger than the British ones. Army enthusiasm and haste had its immediate drawbacks however. As a result of the involvement of inexperienced army officers ordered to devise a new tank based on the larger 75 hp Holt chassis in a very short period of time, the first French tanks were poorly designed with respect to the need to cross trenches and did not take the sponson-mounting route of the British tanks. The first, the ''Char'' Schneider CA equipped with a short 75 mm howitzer, had poor mobility due to a short track length combined with a hull that overhung front and rear. It was unreliable as well; a maximum of only about 130 of the 400 built were ever operational at the same time. Then industrial rivalry began to play a detrimental role: it created the heavy Char St Chamond, a parallel development not ordered by the Army but approved by government through industrial lobby, which mounted much more impressive weaponry — its 75 mm was the most powerful gun fielded by any operational tank up till 1941 — but also combined many of the Schneider CA's faults with an even larger overhanging body. Its innovative petro-electrical transmission, while allowing for easy steering, was insufficiently developed and led to a large number of breakdowns. But industrial initiative also led to swift advances. The car industry, already used to vehicle mass production and having much more experience in vehicle layout, in 1916 designed the first practical light tanks, a class largely neglected by the British. It was
Renault Groupe Renault ( , , , also known as the Renault Group in English; legally Renault S.A.) is a French multinational automobile manufacturer established in 1899. The company produces a range of cars and vans, and in the past has manufactured ...
's excellent small tank design, the FT, incorporating a proper climbing face for the tracks, that was the first tank to incorporate a top-mounted turret with a full 360° traverse capability. The FT was in many respects the first truly 'modern' tank having a layout that has been followed by almost all designs ever since: driver at the front; main armament in a fully rotating turret on top; engine at the rear. Previous models had been "box tanks", with a single crowded space combining the role of engine room, fighting compartment, ammunition stock and driver's cabin. (A very similar Peugeot prototype, with a fixed casemate mounting a short 75mm cannon, was trialled in 1918 but the idea was not pursued). The FT had the largest production run of any tank of the war, with over 3700 built, more numerous than all British tanks combined. That this would happen was at first far from certain; some in the French army lobbied for the alternative mass production of super-heavy tanks. Much design effort was put in this line of development resulting in the gigantic Char 2C, the most complex and technologically advanced tank of its day. Its very complexity ensured it being produced too late to participate in World War I and in the very small number of just ten, but it was the first tank with a three-man turret; the heaviest to enter service until late in World War II and still the largest ever operational. French production at first lagged behind the British. After August 1916 however, British tank manufacture was temporarily halted to wait for better designs, allowing the French to overtake their allies in numbers. When the French used tanks for the first time on 16 April 1917, during the Nivelle Offensive, they had four times more tanks available. But that did not last long as the offensive was a major failure; the Schneiders were badly deployed and suffered 50% losses from German long-range artillery. The Saint-Chamond tanks, first deployed on 5 May, proved to be so badly designed that they were unable to cross the first line of German trenches.


German developments

Germany concentrated more on the development of anti-tank weapons than on development of tanks themselves. They only developed one type of tank which saw combat in the war. The A7V ''Sturmpanzerwagen'' was designed in 1917 and was used in battle from March 1918. It was manned by a crew of 18, and had eight machine guns and a 57-millimetre cannon. Only 20 A7Vs were produced during the war. The Germans did, however, capture Allied tanks and re-purpose them for their own uses.


Battle of Cambrai

The first battle in which tanks made a great impact was the Battle of Cambrai in 1917. British Colonel J.F.C. Fuller, chief of staff of 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 armou ...
, was responsible for the tanks' role in the battle. They made an unprecedented breakthrough but the opportunity was not exploited. Ironically, it was the soon-to-be-supplanted horse cavalry that had been assigned the task of following up the motorised tank attack.A.J. Smithers, ''Cambrai: The First Great Tank Battle'' (2014) Tanks became more effective as the lesson of the early tanks was absorbed. The British produced the Mark IV in 1917. Similar to the early Marks in appearance, its construction was considered to produce a more reliable machine, the long-barrelled naval guns were shortened (the barrels of the earlier, longer guns were prone to digging in the mud when negotiating obstacles) and armour was increased just enough to defeat the standard German armour-piercing bullet. The continued need for four men to drive the tank was solved with the
Mark V Mark V or Mark 5 often refers to the fifth version of a product, frequently military hardware. "Mark", meaning "model" or "variant", can be abbreviated "Mk." Mark V or Mark 5 can specifically refer to: In technology In military and weaponry * B ...
which used Wilson's epicyclic gearing in 1918. Also in 1918 the French produced the
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 ...
, the result of a co-operation between Estienne and Louis Renault. As mentioned before, it had the innovative turret position, and was operated by two men. At just 8 tons it was half the weight of the Medium A '' Whippet'' but the version with the cannon had more firepower. It was conceived for mass production, and the FT became the most produced tank of World War I by a wide margin, with over 3,000 delivered to the French Army. Large numbers were used by the Americans and several were also lent to the British. In July 1918, the French used 480 tanks (mostly FTs) at the Battle of Soissons, and there were even larger assaults planned for the next year. In
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 ...
, the
Entente Entente, meaning a diplomatic "understanding", may refer to a number of agreements: History * Entente (alliance), a type of treaty or military alliance where the signatories promise to consult each other or to cooperate with each other in case o ...
hoped to commit over 30,000 tanks to battle in that year.


Whippet

Finally, in a preview of later developments, the British developed the Whippet. This tank was specifically designed to exploit breaches in the enemy front with its relatively higher speed (around 8 mph vs 3-4 mph for the British heavy tanks). The Whippet was faster than most other tanks, although it carried only machine gun armament, meaning it was not suited to combat with armoured vehicles but instead with infantry. Postwar tank designs reflected this trend towards greater tactical mobility.


Villers-Bretonneux: Tank against tank

The German General Staff did not have enthusiasm for tanks but allowed the development of anti-tank weapons. Regardless, the development of a German tank was underway. The only project to be produced and fielded was the A7V, although only twenty were built. The majority of the fifty or so tanks fielded by Germany were captured British vehicles. A7Vs were captured by the Allies, but they were not used, and most ended up being scrapped. The first tank-versus-tank battles took place on 24 April 1918. It was an unexpected engagement between three German A7Vs and three British Mk. IVs at Villers-Bretonneux. Fuller's
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 ...
, involving massive use of tanks for an offensive, was never used because the blockade of Germany and the entry of the US brought an end to the war.


See also

* History of tanks *
Comparison of World War I tanks This is a comparison of the characteristics of tanks used in World War I. Tanks used in World War I Immediate post-war tanks Tanks planned for production and with completed prototypes during the war, but entered service after it ended. See a ...
*
Tanks of the interwar period This article discusses tanks of the interwar period. World War I established the validity of the tank concept and between the two world wars, many nations needed to have tanks, but only a few had the industrial resources to design and build ...
*
Tanks in World War II Tanks were an important weapons system in World War II. Even though tanks in the inter-war years were the subject of widespread research, production was limited to relatively small numbers in a few countries. However, during World War II, mos ...
*
Comparison of early World War II tanks This table compares tanks in use by the belligerent nations of Europe and the Pacific at the start of the Second World War, employed in the Polish Campaign (1939), the Battle of France (1940), Operation Barbarossa (1941), and the Malayan Campaign ...


Notes and references

*Glanfield, John (2001) ''Devil's Chariots: the birth and secret battles of the first tanks''. Stroud: Sutton *Tucker, Spencer C. World War I: The Definitive Encyclopedia and Document Collection. Vol. 4. R-Z. 1536. Santa Barbara, CA: ABC-CLIO, LLC, 2014.


Further reading

* Charles River Editors and Colin Fluxman. ''The Tanks of World War I: The History and Legacy of Tank Warfare during the Great War'' (2017) * Foley, Michael. ''Rise of the Tank: Armoured Vehicles and their use in the First World War'' (2014) * * Kaplan, Lawrence M. ed. ''Pershing's Tankers: Personal Accounts of the AEF Tank Corps in World War I'' (University Press of Kentucky; 314 pages) primary sources; memoirs. * Smithers, A.J. ''Cambrai: The First Great Tank Battle'' (2014) * Zaloga, Steven J. and Tony Bryan. ''French Tanks of World War I'' (2010)


External links


Lancelot De Mole's tank models

WW1 Tanks (1914–1918)
* Kennedy, Michael David
Tanks and Tank Warfare
1914-1918 Online. International Encyclopedia of the First World War {{DEFAULTSORT:Tanks In World War I 1914
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 ...
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