British Army uniform and equipment in World War I
Encyclopedia
British Army uniform and equipment in World War I. According to the British official historian Brigadier James Edward Edmonds
James Edward Edmonds
Brigadier General James Edward Edmonds CB, CMG was a British First World War officer of the Royal Engineers who in the role of British official historian was responsible for the post-war compilation of the 28-volume History of the Great War...

 recorded in 1925, "The British Army of 1914
British Army during World War I
The British Army during World War I fought the largest and most costly war in its long history. Unlike the French and German Armies, its units were made up exclusively of volunteers—as opposed to conscripts—at the beginning of the conflict...

, was the best trained best equipped and best organized British Army ever sent to war". They were the only army to wear any form of a camouflage
Camouflage
Camouflage is a method of concealment that allows an otherwise visible animal, military vehicle, or other object to remain unnoticed, by blending with its environment. Examples include a leopard's spotted coat, the battledress of a modern soldier and a leaf-mimic butterfly...

 uniform; the value of drab clothing was quickly recognised by the British Army, who introduced khaki drill for Indian and colonial warfare from the mid-19th century on. As part of a series of reforms following the Second Boer War
Second Boer War
The Second Boer War was fought from 11 October 1899 until 31 May 1902 between the British Empire and the Afrikaans-speaking Dutch settlers of two independent Boer republics, the South African Republic and the Orange Free State...

, a darker khaki serge was adopted in 1902, for service dress in Britain itself. On the whole, the British military authorities showed more foresight then their French counterparts, who retained highly visible blue coats and red trousers for active service until several months into World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 The soldier was issued with the 1908 pattern webbing for carrying personnel equipment and he was armed with the Short Magazine Lee Enfield rifle.

Uniform


The British soldier went to war in August 1914, wearing the 1902 Pattern Service Dress tunic and trousers. This was a thick woollen tunic, dyed khaki
Khaki
This article is about the fabric. For the color, see Khaki . Kaki, another name for the persimmon, is often misspelled "Khaki".Khaki is a type of fabric or the color of such fabric...

. There were two breast pockets for personal items and the soldier's AB64 Pay Book, two smaller pockets for other items, and an internal pocket sewn under the right flap of the lower tunic where the First Field Dressing was kept. Rifle patches were sewn above the breast pockets, to prevent wear from the webbing equipment and rifle. Shoulder straps were sewn on and fastened with brass buttons, with enough space for a brass regimental shoulder title. Rank insignia was sewn onto the upper tunic sleeves, while trade badges and Long Service and Good Conduct stripes were placed on the lower sleeves. A stiffened peak cap was worn, made of the same material, with a leather strap, brass fitting and secured with two small brass buttons. Puttees were worn round the ankles, and ammunition boots with hobnail soles
Hobnail (footwear)
In footwear, a hobnail is a short nail with a thick head used to increase the durability of boot soles.Hobnailed boots are boots with hobnails , usually installed in a regular pattern, over the sole...

 on the feet. Normally brown, they were made of reversed hide and had steel toe-caps, and a steel plate on the heel.

Tropical Variation

There were also lightweight uniforms for wear in warmer climates, known as Khaki drill
Khaki drill
Khaki drill or KD was the term for a type of fabric and the British military uniforms made from them. Khaki Drill was worn as a combat uniform from 1900 to 1949 but is a variant, still referred to a Khaki Drill or KD's is worn by the UK Armed Forces, in non combatatant warm weather countries where...

. The Officers' uniform was little different in cut, but the Other Ranks
Other Ranks
Other Ranks in the British Army, Royal Marines and Royal Air Force are those personnel who are not commissioned officers. In the Royal Navy, these personnel are called ratings...

' tunic was distinguished from the temperate service dress by having only the breast pockets. Both were made from a lighter cloth (both in weight, and in shade).

Scottish Variations

Scottish Highland pattern uniforms differed in the design of the tunic and jacket to make them resemble traditional Highland ones—notably in cutting away the skirts at the front of the tunic to allow the wearing of a sporran
Sporran
The Sporran is a traditional part of male Scottish Highland dress. It is a pouch that performs the same function as pockets on the pocketless Scottish kilt....

.

1908 Pattern webbing

The 1908 Pattern webbing equipment comprised a wide belt, left and right ammunition pouches which held 75 rounds each, left and right braces, a bayonet
Bayonet
A bayonet is a knife, dagger, sword, or spike-shaped weapon designed to fit in, on, over or underneath the muzzle of a rifle, musket or similar weapon, effectively turning the gun into a spear...

 frog and attachment for the entrenching tool
Entrenching tool
An entrenching tool or E-tool is a collapsible spade used by military forces for a variety of military purposes. Survivalists, freedivers, campers, hikers and other outdoors groups have found it to be indispensable in field use...

 handle, an entrenching tool head in web cover, water bottle carrier, small haversack
Haversack
A haversack is a bag, usually carried by a single shoulder strap. Although similar to a backpack the single shoulder strap differentiates this type from other backpacks. There are exceptions to this general rule.-Origins:...

 and large pack. A mess tin
Mess tin
A mess tin is an item of mess kit, designed to be used over portable cooking apparatus. A mess tin can be thought of as a portable version of a saucepan, intended primarily for boiling but also useful for frying...

 was worn attached to one of the packs, and was contained inside a cloth buff-coloured khaki cover. Inside the haversack were personal items, knife and when on Active Service, unused portions of the daily ration. The large pack could sometimes be used to house some of these items, but was normally kept for carrying the soldier's Greatcoat
Greatcoat
A greatcoat, also known as a watchcoat, is a large overcoat typically made of wool designed for warmth and protection against the weather. Its collar and cuffs can be turned out to protect the face and hands from cold and rain, and the short cape around the shoulders provides extra warmth and...

 and or a blanket. The full set of 1908 webbing could weigh over 70 lbs.

Pith helmet

The Pith helmet is a lightweight helmet made of cork or pith, with a cloth cover, designed to shade the wearer's head from the sun. They were widely worn during World War I by British Empire troops fighting in the Middle East and Africa.

Brodie Helmet

The first delivery of a protective steel helmet (the Brodie helmet
Brodie helmet
The Brodie helmet, called Helmet, steel, Mark I helmet in Britain and the M1917 Helmet in the U.S., was a steel combat helmet designed and patented in 1915 by the Briton John Leopold Brodie...

) to the British Army was in 1915. Initially there were far from enough helmets to equip every man, so they were designated as "trench stores", to be kept in the front line and used by each unit that occupied the sector. It was not until the summer of 1916, when the first 1 million helmets had been produced, that they could be generally issued.

The Brodie helmet reduced casualties but was criticized by General Herbert Plumer on the grounds that it was too shallow, too reflective, its rim was too sharp, and its lining was too slippery. These criticisms were addressed in the Mark I model helmet of 1916 which had a separate folded rim, a two-part liner, and matte khaki
Khaki
This article is about the fabric. For the color, see Khaki . Kaki, another name for the persimmon, is often misspelled "Khaki".Khaki is a type of fabric or the color of such fabric...

 paint finished with sand, sawdust, or crushed cork to give a dull, non-reflective appearance.

Gas helmets

The first use of poison gas on the Western Front was on 22 April 1915, by the Germans at Ypres
Second Battle of Ypres
The Second Battle of Ypres was the first time Germany used poison gas on a large scale on the Western Front in the First World War and the first time a former colonial force pushed back a major European power on European soil, which occurred in the battle of St...

, against Canadian
Canadian Expeditionary Force
The Canadian Expeditionary Force was the designation of the field force created by Canada for service overseas in the First World War. Units of the C.E.F. were divided into field formation in France, where they were organized first into separate divisions and later joined together into a single...

 and French colonial
French colonial empire
The French colonial empire was the set of territories outside Europe that were under French rule primarily from the 17th century to the late 1960s. In the 19th and 20th centuries, the colonial empire of France was the second-largest in the world behind the British Empire. The French colonial empire...

 troops. The initial response was to equip troops with cotton mouth pads for protection. Soon afterwards the British introduced the Black Veil Respirator, which consisted of a long cloth which was used to tie chemical-soaked mouth pads into place. Dr. Cluny MacPherson of the Royal Newfoundland Regiment brought the idea of a mask made of chemical absorbing fabric and which fitted over the entire head to England, and this was developed into the British Hypo Helmet of June 1915. This mask offered protection to the eyes as well as to the respiratory system. One British officer described it as a smoke helmet, a greasy grey-felt bag with a tale window certainly ineffective against gas. This helmet had two celluloid
Celluloid
Celluloid is the name of a class of compounds created from nitrocellulose and camphor, plus dyes and other agents. Generally regarded to be the first thermoplastic, it was first created as Parkesine in 1862 and as Xylonite in 1869, before being registered as Celluloid in 1870. Celluloid is...

 eyepieces, but there was no way to expel the carbon dioxide
Carbon dioxide
Carbon dioxide is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom...

 build up inside the mask . This type of mask went through several stages of development before being superseded in 1916 by the canister gas mask the PH helmet. This had a mask connected to a tin can containing the absorbent materials by a hose and an outlet valve to reduce the carbon dioxide build up inside the mask.

Weapons

This section contains a selection of some of the many weapons used by the British Army during World War I for further information see World War I British weapons

Webley revolver

The standard-issue Webley revolver at the outbreak of World War I was the Webley Mk V (adopted 9 December 1913), but there were considerably more Mk IV revolvers in service in 1914, as the initial order for 20,000 Mk V revolvers had not been completed when hostilities began.
On 24 May 1915, the Webley Mk VI was adopted as the standard sidearm for British troops and remained so for the duration of World War I, being issued to officers, airmen, naval crews, boarding parties, trench raiders
Trench raiding
Trench raiding was a feature of trench warfare which developed during World War I. It was the practice of making small scale surprise attacks on enemy position. Raids were made by both sides in the conflict and always took place at night for reasons of stealth...

, machine-gun teams, and tank
Tank
A tank is a tracked, armoured fighting vehicle designed for front-line combat which combines operational mobility, tactical offensive, and defensive capabilities...

 crews. The Mk VI proved to be a very reliable and hardy weapon, well suited to the mud and adverse conditions of trench warfare, and several accessories were developed for the Mk VI, including a bayonet
Bayonet
A bayonet is a knife, dagger, sword, or spike-shaped weapon designed to fit in, on, over or underneath the muzzle of a rifle, musket or similar weapon, effectively turning the gun into a spear...

 (made from a converted French Pritchard bayonet), a speedloader
Speedloader
A speedloader is a device used for loading a firearm or firearm magazine that will run out of ammunition very quickly. Generally, speedloaders are used for loading all chambers of a revolver simultaneously, although speedloaders are also used for the loading of fixed tubular magazines of shotguns...

 device ("Prideaux Device"), and a stock allowing for the revolver to be converted into a carbine
Carbine
A carbine , from French carabine, is a longarm similar to but shorter than a rifle or musket. Many carbines are shortened versions of full rifles, firing the same ammunition at a lower velocity due to a shorter barrel length....

.

Short Magazine Lee-Enfield Mk III

The iconic Lee-Enfield rifle, the SMLE Mk III, was introduced on 26 January 1907, along with a Pattern 1907 (P'07) Sword Bayonet and featured a simplified rear sight arrangement and a fixed, rather than a bolt-head-mounted sliding, charger guide.
The fast-operating Lee bolt-action and large magazine
Magazine (firearm)
A magazine is an ammunition storage and feeding device within or attached to a repeating firearm. Magazines may be integral to the firearm or removable . The magazine functions by moving the cartridges stored in the magazine into a position where they may be loaded into the chamber by the action...

 capacity enabled a trained rifleman to fire 20 to 30 aimed rounds a minute, making the Lee-Enfield the fastest military bolt-action rifle of the day.
World War I accounts tell of British troops repelling German attackers who subsequently reported that they had encountered machine guns, when in fact it was simply a group of trained riflemen armed with SMLE Mk III rifles.
During the war, the standard SMLE Mk III was found to be too complicated to manufacture (an SMLE Mk III rifle cost the British Government £3/15/-), and demand was outstripping supply, so in late 1915 the Mk III* was introduced.

Vickers Machine Gun

The Vickers machine gun accompanied the BEF to France in 1914, and in the years that followed, proved itself to be the most reliable weapon on the battlefield, some of its feats of endurance entering military mythology. Perhaps the most incredible was the action by the 100th Company of the Machine Gun Corps at High Wood
High Wood
High Wood is a small forest near Bazentin le Petit in the Somme département of northern France which was the scene of intense fighting for two months from 14 July to 15 September 1916 during the Battle of the Somme.-Background:...

 on 24 August 1916. This company had 10 Vickers guns, and it was ordered to give sustained covering fire for 12 hours onto a selected area 2000 yards (1,828.8 m) away in order to prevent German troops forming up there for a counter-attack while a British attack was in progress. Two companies of infantrymen were allocated as carriers of ammunition, rations and water for the machine-gunners. Two men worked a belt-filling machine non-stop for 12 hours keeping up a supply of 250-round belts. 100 new barrels were used up, and all the water, including the men’s drinking water and contents of the latrine
Latrine
A latrine is a communal facility containing one or more commonly many toilets which may be simple pit toilets or in the case of the United States Armed Forces any toilet including modern flush toilets...

 buckets, was used to keep the guns cool. And in that 12 hour period the 10 guns fired a million rounds between them. One team is reported to have fired 120,000 from their gun to win a five franc
Franc
The franc is the name of several currency units, most notably the Swiss franc, still a major world currency today due to the prominence of Swiss financial institutions and the former currency of France, the French franc until the Euro was adopted in 1999...

 prize offered to the highest-scoring gun. And at the end of operation, it is alleged that every gun was working perfectly and that not one gun had broken down during the whole period. It was this reliability which endeared the Vickers to the soldiers that used it. It rarely broke down; it just kept on firing. Demand from the British Army for Vickers machine guns was so high that Vickers
Vickers
Vickers was a famous name in British engineering that existed through many companies from 1828 until 1999.-Early history:Vickers was formed in Sheffield as a steel foundry by the miller Edward Vickers and his father-in-law George Naylor in 1828. Naylor was a partner in the foundry Naylor &...

 had to find new ways of increasing production and by 1915 Vickers had supplied the British armed forces with 2,405 guns. These increases continued throughout the war: 7,429 were supplied in 1916, 21,782 in 1917 and 39,473 in 1918.

Lewis Machine gun

The British officially adopted the Lewis machine gun in .303 calibre for Land and Aircraft use in October 1915. Despite costing more than a Vickers gun to manufacture (the cost of a Lewis Gun in 1915 was £165, and the Vickers cost about £100), Lewis machine-guns were in high demand with the British military during World War I. The Lewis also had the advantage of being about 80% faster (in both time and component parts) to build than the Vickers gun (and was a lot more portable), and thus orders were placed by the British Government between August 1914 and June 1915 for 3,052 Lewis guns. By the end of World War I over 50,000 Lewis Guns had been produced in the US and UK and they were nearly ubiquitous on the Western Front, outnumbering the Vickers gun by a ratio of about 3:1.

The Lewis Gun utilised two different drum magazines, one holding 47 and the other 97 rounds of ammunition and had a rate of fire of 500 to 600 rounds per minute. The gun weighed 28 lbs, only about half as much as a typical medium machine gun of the era, such as the Vickers machine gun, and was chosen in part because, being more portable than a heavy machine gun (such as the Vickers), it could be carried and used by a single soldier.

Mortars

Mortars
Mortar (weapon)
A mortar is an indirect fire weapon that fires explosive projectiles known as bombs at low velocities, short ranges, and high-arcing ballistic trajectories. It is typically muzzle-loading and has a barrel length less than 15 times its caliber....

 are curved trajectory
Trajectory
A trajectory is the path that a moving object follows through space as a function of time. The object might be a projectile or a satellite, for example. It thus includes the meaning of orbit—the path of a planet, an asteroid or a comet as it travels around a central mass...

 weapons that can lob shells into trenches whose occupants would be unaffected by flat trajectory weapons but, compared to the standard artillery guns, mortars have a relatively short range. During the early years of the war it quickly became clear that some type of weapon was needed to provide artillery like fire support to the infantry. The Army already had rifle grenades, which were useful but they possessed insufficient range and power to serve such purposes. A weapon that was fully man transportable yet could fire reasonably powerful shells at targets beyond the range of rifle grenades was badly needed. The Stokes trench mortar was developed for precisely this purpose.

Stokes mortar

The Stokes Mortar was a simple weapon, that was easy to manufacture and use. The weapon was broken down into three sections for easy transport, the barrel (tube) which weighed 43 pounds, the base plate weighed 28 lbs and bipod weighed 37 lbs for a total of 108 lbs. The Stokes Mortar could fire as many as 25 bombs per minute and had a maximum range of 800 yards (731.5 m).The first recorded use of Stokes mortars by the British was near Loos, France, in September 1916, where they proved to be very valuable weapons. British Empire units had 1,636 Stokes mortars in service on the Western Front at the Armistice.

2 inch mortar

The 2-inch Medium Mortar was designed and manufactured by the Royal Ordnance Factories in early 1915 and introduced along with the 1.57 inch mortar in March 1915. It incorporated what was known of the German pre war Krupp mortar. This was the first design to meet all the requirements, after modifications to simplify manufacture, it fired a spherical cast iron bomb of 42 lbs which was considered the largest practical size for use from trenches, at ranges from 100 yards (91.4 m) to 600 yards (548.6 m) using a simple 2 inches (5.1 cm) tube as the mortar body. Drawbacks were that the steel tail was usually projected backwards towards the firer when the bomb detonated, resulting in occasional casualties; and the No. 80 fuze was also required by the 18 pounder field guns which were given priority, limiting mortar ammunition supply to the front until early 1916, when a special cheap trench mortar fuze was developed. The 2-inch mortar served in limited numbers in France in 1915, from March, with early mortars and ammunition made by the Royal Ordnance Factory, mass production finally began with an order in August 1915, for 800 mortars from several railway workshops and agricultural machinery makers, together with an order for 675,000 bombs from numerous small firms.

9.45 inch mortar

The ML 9.45 inches (240 mm) mortar was a design based on the French 240 mm Trench Mortar
240 mm Trench Mortar
The 240 mm Trench Mortar, or Mortier de 240 mm, was a large calibre mortar of World War I. An original French design, it was developed by Batignolles Company of Paris and introduced in 1915.-Service:...

 and introduced in 1916, the British version differed from the French LT weapon in that the propellant charge was loaded through the muzzle In June 1916, following unsatisfactory trials with the French model, the army replaced them with 30 of its own model, firing a 150 pound bomb, followed by 200 more in December 1916. The 9.45 inch mortar also known as the Flying Pig was a Corps level weapon.

Mark I tank

The advent of World War I generated new demands for strongly armoured self-propelled weapons which could move powerfully on any kind of terrain, leading to the development of the tank. The great weakness of the armoured car was indeed that they required smooth terrain to move upon, and new developments were needed for cross-country capability.
The Mark I tank was a British invention; in February 1915, the First Lord of the Admiralty Winston Churchill
Winston Churchill
Sir Winston Leonard Spencer-Churchill, was a predominantly Conservative British politician and statesman known for his leadership of the United Kingdom during the Second World War. He is widely regarded as one of the greatest wartime leaders of the century and served as Prime Minister twice...

 created the Landships Committee
Landships Committee
The Landships Committee was a small British war cabinet committee established in February 1915 to deal with the design and construction of what would turn out to be tanks during the First World War...

 to investigate a mechanical solution to the stalemate of trench warfare. The Mark I tanks, were operated by the Heavy Branch of the Machine Gun Corps and had a range of 23 miles (37 km) without refuelling and a speed of 3 miles per hour. The Mark I tank first saw service on the Somme in September 1916. The Mark I tank was available in two different formats called: male and female. Male tanks mounted a six pounder gun
QF 6 pounder Hotchkiss
The QF 6 pounder Hotchkiss was a light 57 mm naval gun and coast defence gun of the late 19th century used by many countries, and was adapted for use in the early British tanks in World War I.- Canada History :...

 in each sponson, plus three light Hotchkiss machine guns
Hotchkiss M1909 Benet-Mercie machine gun
The Hotchkiss M1909 machine gun was a French designed light machine gun of the early 20th century, developed and built by Hotchkiss et Cie. It was also known as the Hotchkiss Mark I and M1909 Benet-Mercie....

. Female tanks had two heavy Vickers machine guns in place of the six pounders.
The tank evolved during the war and by 1917, the ninth model the Mark IX tank
Mark IX tank
The Mark IX tank was a British armoured fighting vehicle from the First World War, the world's first specialised Armoured Personnel Carrier .-Development:...

 had been designed which was different to its predecessors, in that it could carry thirty infantrymen or ten tons of cargo. The Mark IX was armed with two machine guns and had loopholes for the infantry to fire from.

Medium Mark A Whippet

Another tank in use was the Medium Mark A Whippet, while the Mark I tanks had been designed to attack the German trenches the Tank Corps now wanted a lighter, faster tank to work with the cavalry over open country. The Whippet had a crew of four and was armed with three Hotchkiss Machine Guns, they weighed 14 tons and had a road speed of just over 8 miles (12.9 km) per hour and a radius of 80 miles (128.7 km). They were very fast by 1918, standards but tank crews found them difficult to drive and combat experience showed that it was not suitable for working with the cavalry.
Whippets first saw service during the German Spring Offensive in 1918, by the end of the war the Whippet was responsible for more German casualties than any other British tank of the war.

Hand grenades

At the start of the war the only grenade in service with the army was the No 1 Grenade
No 1 Grenade
The Grenade, Hand No 1 was the first British hand grenade used in World War I.-Overview:The Grenade No 1 was designed in the Royal Laboratory and is based on reports of Japanese hand grenades during the Russo-Japanese War by General Sir Aylmer Haldane, who was a British observer of the...

. Because of the problems associated with it, the Jam Tin Grenade
Jam Tin Grenade
The Double Cylinder, No 8 and No 9 hand grenades, also known as the "Jam Tin", were early designs used by the British Army in World War I.The Double Cylinder was one of the many grenades designed for British use in the early part of the First World War in response to the failings of the No 1...

 was designed. It contained an inner can of explosive with an outer can of metal fragments or ball bearings. The fuses that were developed for the Jam Tin Grenade were activated by friction or a by lighted taper which was often replaced by a lighted cigarette
Cigarette
A cigarette is a small roll of finely cut tobacco leaves wrapped in a cylinder of thin paper for smoking. The cigarette is ignited at one end and allowed to smoulder; its smoke is inhaled from the other end, which is held in or to the mouth and in some cases a cigarette holder may be used as well...

. This was followed by the highly successful Mills bomb
Mills bomb
Mills bomb is the popular name for a series of prominent British hand grenades. They were the first modern fragmentation grenades in the world.-Overview:...

 in 1915. It was oval in shape to fit into a clenched fist and time fused. The detonator was activated by a spring driven firing pin which was restrained by a lever that in turn was locked by a safety pin. The Mills bomb was a defensive grenade. After throwing the user had to take cover immediately and a competent thrower could manage 20 yards (18.3 m) with reasonable accuracy. Adopted as the standard grenade, over 33 million Mills bombs were produced in the final three years of the war.

Artillery

In 1914, the heaviest artillery gun was the 60 pounder gun, four in each of the heavy batteries. The Royal Horse Artillery
Royal Horse Artillery
The regiments of the Royal Horse Artillery , dating from 1793, are part of the Royal Regiment of Artillery of the British Army...

 had the 13 pounder gun
Ordnance QF 13 pounder
The Ordnance QF 13-pounder quick-firing field gun was the standard equipment of the British Royal Horse Artillery at the outbreak of World War I.-History:...

 and the Royal Field Artillery
Royal Field Artillery
The Royal Field Artillery of the British Army provided artillery support for the British Army. It came into being when the Royal Artillery was divided on 1 July 1899, it was reamalgamated back into the Royal Artillery in 1924....

 the 18 pounder gun. By 1918, the situation had changed and artillery were the dominant force on the battlefield. Between 1914–1918 the heavy and siege artillery of the Royal Garrison Artillery
Royal Garrison Artillery
The Royal Garrison Artillery was an arm of the Royal Artillery that was originally tasked with manning the guns of the British Empire's forts and fortresses, including coastal artillery batteries, the heavy gun batteries attached to each infantry division, and the guns of the siege...

 had increased from thirty two heavy and six siege batteries to 117 heavy and 401 siege batteries. With the increase in the number of batteries of heavier guns the armies need to find a more efficient method of moving the heavier guns around, (it was proving difficult to find the number of draught horses required) the War office
War Office
The War Office was a department of the British Government, responsible for the administration of the British Army between the 17th century and 1964, when its functions were transferred to the Ministry of Defence...

 ordered over one thousand Holt caterpillar tractors
Holt tractor
The Holt tractors were a range of caterpillar tractors built by the Holt Manufacturing Company, which was named after Benjamin Holt- Military Use :...

, which transformed the mobility of the siege artillery. The army also mounted a variety of surplus naval guns, on various railway platforms to provide mobile long-range heavy artillery on the Western Front.

Ordnance QF 18 pounder

The 18 pounder gun
Ordnance QF 18 pounder
The Ordnance QF 18 pounder, or simply 18-pounder Gun, was the standard British Army field gun of the World War I era. It formed the backbone of the Royal Field Artillery during the war, and was produced in large numbers. It was also used by British and Commonwealth Forces in all the main theatres,...

 was the most important field gun of the war, with over 10,000 being manufactured by the end of the war and 113,000,000 rounds of ammunition issued. Some Royal Horse Artillery batteries were also re-equipped with it as their 13 pounders proved unsuited to the prevalent trench warfare.

BL 6 inch Mk VII naval gun

The 6 inch guns
BL 6 inch Mk VII naval gun
The BL 6 inch Gun Mark VII was a British naval gun dating from 1899, which was mounted on a heavy traveling carriage in 1915 for British Army service to become one of the main heavy field guns in the First World War, and also served as one of the main coast defence guns throughout the British...

 were first sent to France on 5 October 1914 with 7th Siege Battery, Royal Garrison Artillery, mounted on improvised field carriages. Following its successful employment in the battle of the Somme its role was defined as counter battery fire and also they "were most effective for neutralising defences and for wire cutting with a new fuse which reliably burst instantly above ground on even slight contact, instead of forming craters, they were also employed for long range fire against targets in depth. It was supposed to be replaced by the BL 6 inch Gun Mk XIX, 310 of which were built during the war. This model gun served in all theatres, with 108 being in service on the Western front at the end of World War I.

BL 60 pounder gun

The 60 pounder guns were formed into "Heavy Batteries" in the First World War operated by the Royal Garrison Artillery and used mainly for counter-battery fire
Counter-battery fire
Counter-battery fire is a type of mission assigned to military artillery forces, which are given the task of locating and firing upon enemy artillery.-Background:...

 (i.e. suppressing or destroying the enemy's artillery). When World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 began a single four gun battery was attached to each infantry division of the BEF. From early 1915, 60 pounder batteries moved from Division to Army control. From June 1916 ,the War Office adopted Major-General Birch's recommendations to increase heavy battery sizes to six guns, as more guns with better concentration of fire power were required on the Western Front, while minimising the administrative overhead of more batteries.

Railway guns

Some of the largest guns deployed were the Railway guns, there were sixteen of the smaller BL 9.2 inch Railway Gun
BL 9.2 inch Railway Gun
The Ordnance BL 9.2 inch gun on truck, railway mounted a variety of surplus 9.2 inch naval guns, together with the custom-designed Mk XIII railway gun, on various railway platforms to provide mobile long-range heavy artillery on the Western Front in World War I.-Second Boer War...

s in service by the end of the war, which together fired a total of 45,000 rounds. The BL 12 inch Railway Gun
BL 12 inch Railway Gun
The Ordnance BL 12 inch gun Mk IX on truck, railway mounted surplus 12 inch Mk IX W naval guns, manufactured by Woolwich Arsenal in 1906, on various railway platforms to provide mobile long-range heavy artillery on the Western Front in World War I....

, had the ability to send a 850 pounds (385.6 kg) shell 12 miles (19.3 km) into the German rear area and was used during the battle of Arras. The largest calibre Railway gun used was the BL 14 inch Railway Gun
BL 14 inch Railway Gun
Ordnance BL 14 inch gun on truck, railway were 2 British 14 inch Mk III naval guns mounted on railway carriages, used on the Western Front in 1918...

 Boche Buster, which fired its first round in the presence of King George V
George V of the United Kingdom
George V was King of the United Kingdom and the British Dominions, and Emperor of India, from 6 May 1910 through the First World War until his death in 1936....

 and scored a direct hit on the Douai
Douai
-Main sights:Douai's ornate Gothic style belfry was begun in 1380, on the site of an earlier tower. The 80 m high structure includes an impressive carillon, consisting of 62 bells spanning 5 octaves. The originals, some dating from 1391 were removed in 1917 during World War I by the occupying...

 railway yards 18 miles (29 km) away.

See also

  • British Army during World War I
    British Army during World War I
    The British Army during World War I fought the largest and most costly war in its long history. Unlike the French and German Armies, its units were made up exclusively of volunteers—as opposed to conscripts—at the beginning of the conflict...

  • List of aircraft of the Royal Flying Corps
  • Recruitment to the British Army during World War I
    Recruitment to the British Army during World War I
    At the start of 1914 the British Army had a reported strength of 710,000 men including reserves, of which around 80,000 were regular troops ready for war. By the end of World War I almost 1 in 4 of the total male population of the United Kingdom of Great Britain and Ireland had joined, over five...

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