Tank: Difference between revisions
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In terms of firepower, the focus of current R&D is on increased detection capability such as [[Thermography|thermal imagers]], automated fire control systems and increased [[muzzle energy]] from the gun to improve range, accuracy and armour penetration.<ref>Pengelley, Rupert, ''A new era in tank main armament,'' pp. 1521 - 1531</ref> The most mature future gun technology is the [[Electrothermal-chemical technology|electrothermal-chemical]] gun.<ref>Hilmes, Rolf (January 30, 1999), "Aspects of future MBT conception". ''Military Technology'' '''23''' (6): 7. Moench Verlagsgesellschaft Mbh.</ref> The XM291 electrothermal-chemical tank gun has gone through successful multiple firing sequences on a modified [[M8 Armored Gun System]] chassis.<ref>Goodell, Brad (January 1, 2007), "Electrothermal Chemical (ETC) Armament Integration into a Combat Vehicle". ''IEEE Transaction on Magnetics'', Volume 23, Number 1, pp. 456-459.</ref> |
In terms of firepower, the focus of current R&D is on increased detection capability such as [[Thermography|thermal imagers]], automated fire control systems and increased [[muzzle energy]] from the gun to improve range, accuracy and armour penetration.<ref>Pengelley, Rupert, ''A new era in tank main armament,'' pp. 1521 - 1531</ref> The most mature future gun technology is the [[Electrothermal-chemical technology|electrothermal-chemical]] gun.<ref>Hilmes, Rolf (January 30, 1999), "Aspects of future MBT conception". ''Military Technology'' '''23''' (6): 7. Moench Verlagsgesellschaft Mbh.</ref> The XM291 electrothermal-chemical tank gun has gone through successful multiple firing sequences on a modified [[M8 Armored Gun System]] chassis.<ref>Goodell, Brad (January 1, 2007), "Electrothermal Chemical (ETC) Armament Integration into a Combat Vehicle". ''IEEE Transaction on Magnetics'', Volume 23, Number 1, pp. 456-459.</ref> |
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To improve tank protection, one field of research involves making the tank invisible to radar by adapting |
To improve tank protection, one field of research involves making the tank invisible to radar by adapting NAAAAA NAAAAA NAAAAAA technologies originally designed for aircraft. Improvements to [[camouflage]] or and attempts to render it [[invisible]] through [[active camouflage]] is being pursued. Research is also ongoing in [[Electromagnetism|electromagnetic]] armour systems to disperse or deflect incoming shaped charge jets,<ref>Wickert, Matthias, ''Electric Armor Against Shaped Charges'', pp. 426 - 429</ref><ref>Xiaopeng, Li, et al., ''Multiprojectile Active Electromagnetic Armor'', pp. 460 - 462</ref> as well as various forms of [[active protection system]]s to prevent incoming projectiles from striking the tank at all. |
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Mobility may be enhanced in future tanks by the use of [[Diesel-electric transmission|diesel-electric]] or turbine-electric [[series hybrid]] drives improving fuel efficiency while reducing the size and weight of the power plant.<ref>''Electric/Hybrid Electric Drive Vehicles for Military Applications'', pp. 132 - 144</ref> Furthermore, advances in gas turbine technology, including the use of advanced [[recuperator]]s,<ref>McDonald, Colin F., ''Gas Turbine Recuperator Renaissance'', pp. 1 - 30</ref> have allowed for reduction in engine volume and mass to less than 1 m<sup>3</sup> and 1 metric ton, respectively, while maintaining fuel efficiency similar to that of a diesel engine.<ref>Koschier, Angelo V. and Mauch, Hagen R., ''Advantages of the LV100 as a Power Producer in a Hybrid Propulsion System for Future Fighting Vehicles,'' p. 697</ref> |
Mobility may be enhanced in future tanks by the use of [[Diesel-electric transmission|diesel-electric]] or turbine-electric [[series hybrid]] drives improving fuel efficiency while reducing the size and weight of the power plant.<ref>''Electric/Hybrid Electric Drive Vehicles for Military Applications'', pp. 132 - 144</ref> Furthermore, advances in gas turbine technology, including the use of advanced [[recuperator]]s,<ref>McDonald, Colin F., ''Gas Turbine Recuperator Renaissance'', pp. 1 - 30</ref> have allowed for reduction in engine volume and mass to less than 1 m<sup>3</sup> and 1 metric ton, respectively, while maintaining fuel efficiency similar to that of a diesel engine.<ref>Koschier, Angelo V. and Mauch, Hagen R., ''Advantages of the LV100 as a Power Producer in a Hybrid Propulsion System for Future Fighting Vehicles,'' p. 697</ref> |
Revision as of 20:43, 17 September 2011
Tank | |
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![]() A former British Army Challenger 1 at Bovington Tank Museum | |
Type | Armoured Fighting Vehicle |
Place of origin | ![]() |
Service history | |
In service | 1916–present |
Specifications | |
Armour | Steel plate or composite armour. May be supplemented by explosive reactive armour plating. |
Main armament | Tank gun |
Suspension | Caterpillar track |
A tank is a tracked, armoured fighting vehicle designed for front-line combat which combines operational mobility, tactical offensive, and defensive capabilities. Firepower is normally provided by a large-calibre main gun in a rotating turret and secondary machine guns, while heavy armour and all-terrain mobility provide protection for the tank and its crew, allowing it to perform all primary tasks of the armoured troops on the battlefield.[1]
Tanks were developed and first used in combat by the British during World War I as a means to break the deadlock of trench warfare. They were first deployed at the Battle of Somme in limited numbers. During construction, to conceal their true identity as weapons, they were designated as water carriers for the Mesopotamian campaign and referred to as "tanks" (as in "water tank"). However, there are two other proposed etymologies – these are discussed in the Etymology section below.
Interwar developments in both design and tactics evolved during World War II, producing important concepts of armoured warfare which persist to this day and were prominently displayed during World War II. The Soviet Union introduced the T-34, one of the best tanks in service throughout the war. Germany introduced blitzkrieg ('lightning war'), a technique which makes use of massed concentrations of tanks supported by artillery and air power to break through the enemy front and cause a complete collapse in enemy resistance.
Tanks in the Cold War advanced to counter greater battlefield threats. Tanks became larger and their armour became thicker and much more effective. Advances in manufacturing late in the war allowed the mass production of composite armor. Aspects of gun technology changed significantly as well, with advances in shell design.
During the 20th century, main battle tanks were considered a key component of modern armies.[2] In the 21st century, with the increasing role of asymetrical warfare and the end of the cold war, that also contributed to the increase of cost-effective Russian anti-tank weapons worldwide, the importance of tanks has waned. Modern tanks seldom operate alone, as they are organized into armoured units which involve the support of infantry, who may accompany the tanks in infantry fighting vehicles. They are also usually supported by reconnaissance or ground-attack aircraft.[3]
History
Conception
Apart from Leonardo da Vinci's drawing of a round, tank-like armoured wagon, the first description of a tank-like vehicle and its usefulness in trench warfare is found in an H.G. Wells short story, "The Land Ironclads", in the Strand Magazine, December 1903. The concept of the tank is implicit, however, in two letters published in 1833 in The London United Service Magazine. In the first (January 1833) "A Constant Reader" wrote from Bombay to propose the creation of "Steam Chariots of War": "The great forte of steam is its passiveness. Secure the boiler and the machinery from the stroke of a cannon-ball, and you might drive a steam-chariot triumphantly through a regiment. Imagine three or four of these machines driven at a galloping speed through a square of infantry; the director might be seated in perfect safety in the rear of the engine, and a body of cavalry, about fifty yards in rear, would enter the furrows ploughed by these formidable chariots, and give the coup-de-grace to the unfortunate infantry. The chariots might be armed with scythes, both in front and flank; and, if the first shock were avoided by the men opening their ranks, they might easily be made sufficiently manageable to wheel round and return on any part of the square which stood firm" (118). In the second letter (May 1833), a correspondent identified only as "C." discussed the "Application of Steam to Engines of War," advocating the construction of "Chariots of Iron"—"locomotive engines" covered in "proof iron plate" and capable of running "upon ordinary roads"—for use in battle (118).
Joseph Hawker is attributed as being the father of the modern tank when in 1872, Hawker took out a patent for: 'propelling a road locomotive employing endless flat linked pitch or other chains passing round the rims of the main moving wheels.' The details of his patent reveal clearly the influence his idea had on the whole concept of crawler tractors and tanks employing drive and clutch steering.[4] In the United States an early precusor was developed at Northwestern Military and Naval Academy by Major Royal Page Davidson in 1899.[5] In 1903, the Levavasseur project describes a caterpillar-based armoured vehicle, and some eight years later, in 1911, two practical tank designs were developed independently by Austrian engineering officer Günther Burstyn and Australian civil engineer Lancelot de Mole, but all were rejected by governmental administrations.
In Russia Vassily Mendeleev, son of the renowned chemist Dimitri Mendeleev designed in 1911-15 a caterpillar-tracked armoured fighting vehicle for the Tsarist army. It was surprisingly sophisticated for its time, with pneumatic suspension, a revolving turret and a static mode, which allowed it to sink downwards from its tracks and park - presumably when carrying out prolonged bombardment. The tank itself, however, was impractical in several ways. It was perfectly cuboid in shape, very large and unwieldy, and had long track-links which would have severely limited speed and manoeuvrability. Due to a lack of industrial capacity, and doubts about the project, the war office never ordered for it to be built. Nonetheless, Mendeleev's designs still exist, with detailed schematics showing his ambitions.
Burstyn designed his tank with a sprung suspension and armed with a single gun located in a revolving turret—a design quite similar to modern tanks—but he lacked funding to work out all the design issues and develop a prototype, as neither the Austro-Hungarian nor Imperial German War Ministries were interested. He submitted his idea of a "land torpedo boat" to the Military Technical Committee in Vienna but the idea was rejected owing to an inability to foresee the use for such an innovation and unwillingness to fund a prototype and test regime at the expense of the Army's administration;[6] he did, however, manage to patent his invention (Zl. 252 815 DRP).[7][8]
Around the same time, de Mole designed "a tracked armoured vehicle" and sent his sketches to the British War Office. His idea was rejected, but after the Great War the Royal Commission awarded de Mole £965 (about £56,000 today) for expenses, and in 1920 he was appointed C.B.E.[8][9]
World War I
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/db/British_Mark_V-star_Tank.jpg/250px-British_Mark_V-star_Tank.jpg)
Although many people, including inventors, writers, military men, engineers, and interested citizens had long considered the principles of the tank, no practical machine was produced until World War One. On 20 February 1915, the Landships Committee was formed on the orders of the First Lord of the Admiralty, Winston Churchill.[10] The Royal Navy was involved through the activities of Royal Navy Air service officers who had been operating armoured cars on the Western Front and as the envisaged "landships" were similar to naval construction. The Director of Naval Construction for the Royal Navy, Eustace Tennyson d'Eyncourt, headed the mixed group of Naval officers, engineers that formed the Landships Committee. So many played a part in its long and complicated development that it is not possible to name any individual as the sole inventor of the tank.[11] though the British made awards to those they considered responsible. In January 1916, the Landships Committee under the leadership of d'Eyncourt had overseen the production of man's first tank as we understand the term; the final prototype was nicknamed "Mother." Production models of "Male" (carrying naval cannon and machine guns) and "Female" (carrying only machine-guns) tanks would go on to fight in history's first tank action at the Somme in September 1916.[10][12]
The first tank to engage in battle was designated D1, a British Mark I Male, during the Battle of Flers-Courcelette (part of the wider Somme offensive) on 15 September 1916.[13]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/FT-17-argonne-1918.gif/220px-FT-17-argonne-1918.gif)
In contrast to World War II, Germany fielded very few tanks during World War I, with only 20 of the A7V type being produced in Germany during the war.[14] The first tank versus tank action took place on 24 April 1918 at the Second Battle of Villers-Bretonneux, France, when three British Mark IVs met three German A7Vs. Though the encounter revealed serious flaws in tank design and doctrine for both sides, the British prevailed.[15]
Under the influence of Colonel Jean Baptiste Eugène Estienne the French pioneered the use of a full 360º rotation, fully traversable, turret in a tank for the first time in 1917, with the creation and deployment of the Renault FT light tank, with the turret containing the tank's main armament. Aside of the traversable turret another innovative feature of the FT was its engine located at the rear. This pattern, with the gun located in a mounted turret and the engine at the back, became the standard for most succeeding tanks across the world even to this day.[16]
Although tank tactics developed rapidly during the war, piecemeal deployments, mechanical problems, and poor mobility limited the military significance of the tank in World War I, and the tank did not fulfill its promise of rendering trench warfare obsolete. Nonetheless, it was clear to military thinkers on both sides that tanks would play a significant role in future conflicts.[17]
Interwar period
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/Hotchkiss_H-39.jpg/220px-Hotchkiss_H-39.jpg)
In the interwar period tanks underwent further mechanical development. In terms of tactics, J.F.C. Fuller's doctrine of spearhead attacks with massed tank formations was the basis for work by Heinz Guderian in Germany, Percy Hobart in Britain, Adna R. Chaffee, Jr., in the U.S., Charles de Gaulle in France, and Mikhail Tukhachevsky in the USSR. All came to similar conclusions, but in the Second World War only Germany would initially put the theory into practice on a large scale, and it was their superior tactics and French blunders, not superior weapons, that made blitzkrieg so successful in May 1940.[18] For information regarding tank development in this period, see tank development between the wars.
Germany, Italy and the Soviet Union all experimented heavily with tank warfare during their clandestine and “volunteer” involvement in the Spanish Civil War, which saw some of the earliest examples of successful mechanised combined arms—such as when Republican troops, equipped with Soviet-supplied medium tanks and supported by aircraft, eventually routed Italian troops fighting for the Nationalists in the seven-day Battle of Guadalajara in 1937.[19]
World War II
World War II was the first conflict where armoured vehicles were critical to success on the battlefield and in this period the tank developed rapidly as a weapon system. It showed how an armoured force was capable of achieving a tactical victory in an unprecedentedly short amount of time. At the same time however, the development of effective anti-tank weaponry demonstrated that the tank was not invulnerable.
Prior to World War II the tactics and strategy of deploying tank forces underwent a revolution. Heinz Guderian, a tactical theoretician who was heavily involved in the formation of the first independent German tank force, said "Where tanks are, the front is", and this concept became a reality in World War II.[20] Following the Invasion of Poland where tanks performed in a more traditional role in close cooperation with infantry units, in the Battle of France deep independent armoured penetrations were executed by the Germans, a technique later called blitzkrieg. Blitzkrieg made use of innovative combined arms tactics and radios in all of the tanks to provide a level of tactical flexibility and power that surpassed that of the Allied armour. The French Army, with tanks equal or superior to the German tanks in both quality and quantity, employed a linear defensive strategy in which the armoured cavalry units were made subservient to infantry as "support weapons".[18] In addition, they lacked radios in many of their tanks and headquarters,[21] which limited their ability to respond to German attacks.
In accordance with blitzkrieg methods, German tanks bypassed enemy strongpoints and could radio for close air support to destroy them, or leave them to the infantry. A related development, motorized infantry, allowed some of the troops to keep up with the tanks and create highly mobile combined arms forces.[18] The defeat of a major military power within weeks shocked the rest of the world, resulting in an increased focus on tank and anti-tank weapon development.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Bundesarchiv_Bild_101I-786-0327-19%2C_Nordafrika%2C_Erwin_Rommel_mit_Offizieren.jpg/220px-Bundesarchiv_Bild_101I-786-0327-19%2C_Nordafrika%2C_Erwin_Rommel_mit_Offizieren.jpg)
The North African Campaign also provided an important battleground for tanks, as the flat, desolate terrain with relatively few obstacles or urban environments was ideal for conducting mobile armoured warfare. However, this battlefield also showed the importance of logistics, especially in an armoured force, as the principal warring armies, the German Afrika Korps and the British Eighth Army, often outpaced their supply trains in repeated attacks and counter-attacks on each other, resulting in complete stalemate. This situation would not be resolved until 1942, when during the Second Battle of El Alamein, the Afrika Korps, crippled by disruptions in their supply lines, was forced to retreat by a massively reinforced Eighth Army, the first in a series of defeats that would eventually lead to the surrender of the remaining Axis forces in Tunisia.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Bundesarchiv_Bild_101III-Merz-014-12A%2C_Russland%2C_Beginn_Unternehmen_Zitadelle%2C_Panzer.jpg/220px-Bundesarchiv_Bild_101III-Merz-014-12A%2C_Russland%2C_Beginn_Unternehmen_Zitadelle%2C_Panzer.jpg)
The German invasion of the Soviet Union, Operation Barbarossa, started with the Soviets having a superior tank design, the T-34.[22] A lack of preparations for the Axis surprise attack, mechanical problems, poor training of the crews and incompetent leadership caused the Soviet machines to be surrounded and destroyed in large numbers. However, interference from Adolf Hitler,[23] the geographic scale of the conflict, the dogged resistance of the Soviet combat troops, and Soviet manpower and production capability prevented a repeat of the blitzkrieg of 1940.[24] Despite early successes against the Soviets, the Germans were forced to up-gun their Panzer IVs, and to design and build larger and more expensive Panther and Tiger tanks. In doing so, the Wehrmacht denied the infantry and other support arms the production priorities that they needed to remain equal partners with the increasingly sophisticated tanks, in turn violating the principle of combined arms they had pioneered.[2] Soviet developments following the invasion included upgunning the T-34, development of self-propelled anti-tank guns such as the SU-152, and deployment of the IS-2 in the closing stages of the war.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Shermans_disembarking_from_LST_at_Anzio_crop.jpg/220px-Shermans_disembarking_from_LST_at_Anzio_crop.jpg)
When entering World War II, America's mass production capacity enabled her to rapidly construct thousands of relatively cheap M4 Medium tanks. A compromise all round, the Sherman was reliable and formed a large part of the Anglo-American ground forces, but in a tank-versus-tank battle was no match for the Panther or Tiger.[25] Numerical and logistical superiority and the successful use of combined arms allowed the Allies to overrun the German forces during the Battle of Normandy. Upgunned versions with the 76 mm gun M1 and the 17 pounder were introduced to improve the M4's firepower, but concerns about protection remained.
Tank chassis were modified to produce flame tanks, mobile rocket artillery, and combat engineering vehicles for tasks including mine-clearing and bridging. Specialised self-propelled guns were also developed: tank destroyers and assault guns were cheap, stripped down tanks carrying heavy guns, often in a fixed hull mounting. The firepower and low cost of these vehicles made them attractive but as manufacturing techniques improved and larger turret rings made larger tank guns feasible, the gun turret was recognised as the most effective mounting for the main gun to allow movement in a different direction from firing, enhancing tactical flexibility.[18]
The Cold War arms race
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/T-72_Ajeya1.jpg/220px-T-72_Ajeya1.jpg)
During the Cold War, tension between the Warsaw Pact countries and North Atlantic Treaty Organisation (NATO) countries created an arms race that ensured that tank development proceeded largely as it had during World War II. The essence of tank designs during the Cold War had been hammered out in the closing stages of World War II. Large turrets, capable suspension systems, greatly improved engines, sloped armour and large-calibre (90 mm and larger) guns were standard. Tank design during the Cold War built on this foundation and included improvements to fire control, gyroscopic gun stabilisation, communications (primarily radio) and crew comfort and saw the introduction of laser rangefinders and infrared night vision equipment. Armour technology progressed in an ongoing race against improvements in anti-tank weapons, especially antitank guided missiles like the TOW.
Medium tanks of World War II, evolved into the main battle tank (MBT) of the Cold War and took over the majority of tank roles on the battlefield. This gradual transition occurred in the 1950s and 1960s due to anti-tank guided missiles, sabot ammunition and high explosive anti-tank warheads. World War II had shown that the speed of a light tank was no substitute for armour and firepower and heavy tanks were as vulnerable as medium tanks to newer weapon technology, rendering them obsolete.
In a trend started in World War II, economies of scale led to serial production of progressively upgraded models of all major tanks during the Cold War. For the same reason many upgraded post–World War II tanks and their derivatives (for example, the T-55 and T-72) remain in active service around the world, and even an obsolete tank may be the most formidable weapon on battlefields in many parts of the world.[27] Among the tanks of the 1950s were the British Centurion and Soviet T-54/55 in service from 1946, and the US M48 from 1951.[28] These three vehicles formed the bulk of the armoured forces of NATO and the Warsaw Pact throughout much of the Cold War. Lessons learned from tanks such as the Leopard 1, M48 Patton series, Chieftain, and T-72 led to the contemporary Leopard 2, M1 Abrams, Challenger 2, C1 Ariete, T-90 and Merkava IV.
Tanks and anti-tank weapons of the Cold War era saw action in a number of proxy wars like the Korean War, Vietnam War, Indo-Pakistani War of 1971, Soviet war in Afghanistan and Arab-Israeli conflicts, culminating with the Yom Kippur War. The T-55, for example, has seen action in no fewer than 32 conflicts. In these wars the USA or NATO countries and the Soviet Union or China consistently backed opposing forces. Proxy wars were studied by Western and Soviet military analysts and provided a grim contribution to the Cold War tank development process.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Post_WWII_Tank_Tech_v2.svg/800px-Post_WWII_Tank_Tech_v2.svg.png)
Present
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Type10MBT.jpg/220px-Type10MBT.jpg)
The role of tank vs. tank combat is becoming diminished. Tanks work in concert with infantry in urban warfare by deploying them ahead of the platoon. When the infantry are engaged, tanks employ covering fire on the enemy while the infantry take cover. Contrastedly, tanks spearhead attacks when infantry are employed in personnel carriers.[29]
Tanks were used to spearhead the initial invasion of Iraq. As of 2005, there were 1,100 M1 Abrams used by the United States Army in the course of the Iraq War, and they have proven to have an unexpectedly high level of vulnerability to roadside bombs.[30] A relatively new type of remotely detonated mine, the explosively formed penetrator has been used with some success against American armoured vehicles (particularly the Bradley fighting vehicle). However, with upgrades to their armour in the rear, M1s have proven invaluable in fighting insurgents in urban combat, particularly at the Battle of Fallujah, where the Marines brought in two extra brigades.[31] Britain deployed its Challenger 2 tanks to support its operations in southern Iraq.
Israeli Merkava tanks contain features that enable them to support infantry in low intensity conflicts (LIC) and counter-terrorism operations. Such features are the rear door and rear corridor, enabling the tank to carry infantry and embark safely; the IMI APAM-MP-T multi-purpose ammunition round, advanced C4IS systems and recently: TROPHY active protection system which protects the tank from shoulder-launched anti-tank weapons. During the Second Intifada further modification were made, designated as "Merkava Mk. 3d Baz LIC".
Research and development
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/56/XM1202_MCS.jpg/220px-XM1202_MCS.jpg)
In terms of firepower, the focus of current R&D is on increased detection capability such as thermal imagers, automated fire control systems and increased muzzle energy from the gun to improve range, accuracy and armour penetration.[32] The most mature future gun technology is the electrothermal-chemical gun.[33] The XM291 electrothermal-chemical tank gun has gone through successful multiple firing sequences on a modified M8 Armored Gun System chassis.[34]
To improve tank protection, one field of research involves making the tank invisible to radar by adapting NAAAAA NAAAAA NAAAAAA technologies originally designed for aircraft. Improvements to camouflage or and attempts to render it invisible through active camouflage is being pursued. Research is also ongoing in electromagnetic armour systems to disperse or deflect incoming shaped charge jets,[35][36] as well as various forms of active protection systems to prevent incoming projectiles from striking the tank at all.
Mobility may be enhanced in future tanks by the use of diesel-electric or turbine-electric series hybrid drives improving fuel efficiency while reducing the size and weight of the power plant.[37] Furthermore, advances in gas turbine technology, including the use of advanced recuperators,[38] have allowed for reduction in engine volume and mass to less than 1 m3 and 1 metric ton, respectively, while maintaining fuel efficiency similar to that of a diesel engine.[39]
In line with the new doctrine of network-centric warfare, the modern battle tank shows increasing sophistication in its electronics and communication systems.
Design
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/22/M1_Abrams-TUSK.svg/620px-M1_Abrams-TUSK.svg.png)
The three traditional factors determining a tank's capability effectiveness are its firepower, protection, and mobility. Firepower is the ability of a tank's crew to identify, engage, and destroy the enemy. Protection is the tank crew's ability to evade detection, preserve themselves from enemy fire, and retain full vehicle functionality after combat. Mobility includes the ability of the tank to be transported by rail, sea, or air to the operational staging area; from the staging area by road towards the enemy; and tactical movement over the battlefield during combat, including traversing of obstacles and rough terrain.
Tank design is a compromise between its technological and budgetary constraints and its tactical capability requirements. It is not possible to maximise firepower, protection and mobility simultaneously while incorporating the latest technology and retain affordability for sufficient procurement quantity to enter production. For example, in the case of tactical capability requirements, increasing protection by adding armour will result in an increase in weight and therefore decrease in mobility; increasing firepower by installing a larger gun will force the designer team to increase armour, the therefore weight of the tank by retaining same internal volume to ensure crew efficiency during combat. In the case of the Abrams MBT which has good firepower, speed and armour, these advantages are counterbalanced by its engine's notably high fuel consumption, which ultimately reduces its range, and in a larger sense its mobility.
Since the Second World War, the economics of tank production governed by the complexity of manufacture and cost, and the impact of a given tank design on logistics and field maintenance capabilities, have also been accepted as important in determining how many tanks a nation can afford to field in its force structure.
Some tank designs that were fielded in significant numbers, such as Tiger I and M60A2 proved to be too complex or expensive to manufacture, and made unsustainable demands on the logistics services support of the armed forces. The affordability of the design therefore takes precedence over the combat capability requirements. Nowhere was this principle illustrated better than during the Second World War when two Allied designs, the T-34 and the M4 Sherman, although both simple designs which accepted engineering compromises, were used successfully against more sophisticated designs by Germany that were more complex and expensive to produce, and more demanding on overstretched logistics of the Wehrmacht. Given that a tank crew will spend most of its time occupied with maintenance of the vehicle, engineering simplicity has become the primary constraint on tank design since the Second World War despite advances in mechanical, electrical and electronics technologies.
Since the Second World War, tank development has incorporated experimenting with significant mechanical changes to the tank design while focusing on technological advances in the tank's ubiquitous subsystems to improve its performance. However, a number of novel designs have appeared throughout this period with mixed success, including the Soviet IT-1 and T-64 in firepower, and the Israeli Merkava and Swedish S-tank in protection, while for decades the USA's M551 remained the only light tank deployable by parachute.
Tank design engineering
A noted author on the subject of tank design engineering Richard M Ogorkiewicz[40] outlined the following basic engineering sub-systems that are commonly incorporated into tank's technological development:
- Mobility of tanks (through chassis design)
- Tank Engines
- Tank Transmissions
- Suspensions and Running gear
- Soil-Vehicle Mechanics
- Tank guns and Ammunition
- Ballistics and Mechanics of Tank Guns
- Vision and Sighting Systems
- Illuminating and Night Vision Systems
- Fire Control Systems for main and auxiliary weapons
- Gun Control Systems
- Guided Weapons
- Armour Protection
- Configuration of Tanks
To the above can be added unit communication systems and electronic anti-tank countermeasures, crew ergonomic and survival systems (including flame suppression), and provision for technological upgrading. Most tank designs have rarely survived their entire service life without some upgrading or modernisation, particularly during wartime, including some that changed almost beyond recognition, such as the latest Israeli Magach versions.
The characteristics of a tank are determined by the performance criteria required for the tank. The obstacles that must be traversed affect the vehicles front and rear profiles. The terrain that is expected to be traversed determines the track ground pressure that may be allowed to be exerted for that particular terrain.[41]
Offensive capabilities
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/105mm_tank_gun_Rifling.jpg/220px-105mm_tank_gun_Rifling.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/44/Firing_M1A1_tank_in_Djibouti.jpg/220px-Firing_M1A1_tank_in_Djibouti.jpg)
The main weapon of all modern tanks is a single, large-calibre gun mounted in a fully traversing turret weapon mount. The typical tank gun is a smoothbore weapon capable of firing armor-piercing kinetic energy penetrators (KEP), also known as armour-piercing discarding sabot (APDS), and/or armour piercing fin stabilised discarding sabot (APFSDS) and high explosive anti-tank (HEAT) shells, and/or high explosive squash head (HESH) and/or anti-tank guided missiles (ATGM) to destroy armoured targets, as well as high explosive (HE) shells for engaging soft targets or fortifications. Canister shot may be used in close or urban combat situations where the risk of hitting friendly forces with shrapnel from HE rounds is unacceptably high.[31]
A gyroscope is used to stabilise the main gun, allowing it to be effectively aimed and fired at the "short halt" or on the move. Modern tank guns are also commonly fitted with insulating thermal jackets to reduce gun-barrel warping caused by uneven thermal expansion, bore evacuators to minimise fumes entering the crew compartment and sometimes muzzle brakes to minimise the effect of recoil on accuracy and rate of fire.
Traditionally, target detection relied on visual identification. This was accomplished from within the tank through telescopic periscopes; occasionally however, tank commanders would open up the hatch to view the outside surroundings, which improved situational awareness but incurred the penalty of vulnerability to sniper fire, especially in jungle and urban conditions. Though several developments in target detection have taken place especially recently, these methods are still common practice.
In some cases spotting rifles were used confirm proper trajectory and range to a target. These spotting rifles were mounted co-axially to the main gun, and fired tracer ammunition ballistically matched to the gun itself. The gunner would track the movement of the tracer round in flight, and upon impact with a hard surface, it would give off a flash and a puff of smoke, after which the main gun was immediately fired. However these have been mostly superseded by laser rangefinding equipment.
Modern tanks also use sophisticated light intensification and thermal imaging equipment to improve fighting capability at night, in poor weather and in smoke. The accuracy of modern tank guns is pushed to the mechanical limit by computerised fire-control systems. A fire-control system uses a laser rangefinder to determine the range to the target, a thermocouple, anemometer and wind vane to correct for weather effects and a muzzle referencing system to correct for gun-barrel temperature, warping and wear. Two sightings of a target with the range-finder enable calculation of the target movement vector. This information is combined with the known movement of the tank and the principles of ballistics to calculate the elevation and aim point that maximises the probability of hitting the target.
Usually, tanks carry smaller calibre armament for short-range defence where fire from the main weapon would be ineffective, for example when engaging infantry, light vehicles or aircraft. A typical complement of secondary weapons is a general-purpose machine gun mounted coaxially with the main gun, and a heavier anti-aircraft machine gun on the turret roof. These weapons are often modified variants of those used by infantry, and so utilise the same kinds of ammunition.
At the Battle of Kursk a Tiger I commanded by Michael Wittmann survived a ramming by a T-34. Whittmann's driver was able to back away from the T-34 which was destroyed when its ammunition exploded.[42]
Countermeasures
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/T-90_Bhisma_cropped.jpg/220px-T-90_Bhisma_cropped.jpg)
The measure of a tank's protection is the combination of its ability to avoid detection, to avoid being hit by enemy fire, its resistance to the effects of enemy fire, and its capacity to sustain damage whilst still completing its objective, or at least protecting its crew. In common with most unit types, tanks are subject to additional hazards in wooded and urban combat environments which largely negate the advantages of the tank's long-range firepower and mobility, limit the crew's detection capabilities and can restrict turret traverse. Despite these disadvantages, tanks retain high survivability against previous-generation rocket-propelled grenades in all combat environments by virtue of their armour.
However, as effective and advanced as armour plating has become, tank survivability against newer-generation (1980s) tandem-warhead anti-tank missiles is a concern for military planners.[43] For example, the RPG-29 is able to penetrate the thickest frontal hull armour of the Challenger II[44][45] and also managed to damage a M1 Abrams.[46]
Avoiding detection
A tank avoids detection using the doctrine of CCD: camouflage (looks the same as the surroundings), concealment (cannot be seen) and deception (looks like something else).
Working against efforts to avoid detection is the fact that a tank is a large metallic object with a distinctive, angular silhouette that emits copious heat and noise. Consequently, it is difficult to effectively camouflage a hull-up tank in the absence of some form of cover or concealment (e.g., woods). The tank becomes easier to detect when moving (typically, whenever it is in use) due to the large, distinctive auditory, vibration and thermal signature of its power plant. Tank tracks and dust clouds also betray past or present tank movement. Switched-off tanks are vulnerable to infra-red detection due to differences between the thermal conductivity and therefore heat dissipation of the metallic tank and its surroundings. At close range the tank can be detected even when powered down and fully concealed due to the column of warmer air above the tank and the smell of diesel.
Thermal blankets slow the rate of heat emission and camouflage nets use a mix of materials with differing thermal properties to operate in the infra-red as well as the visible spectrum. Camouflage attempts to break up the distinctive appearance and silhouette of a tank. Adopting a turret-down or hull-down position reduces the visible silhouette of a tank as well as providing the added protection of a position in defilade
The Russian Nakidka camouflage kit was designed to reduce the Optical, Thermal, Infrared, and Radar signatures of a tank, so that acquisition of the tank would be difficult. According to Nii Stali, the designers of Nakidka, Nakidka would reduce the probabilities of detection via "visual and near-IR bands by 30%, the thermal band by 2-3 fold, radar band by 6 fold, and radar-thermal band to near-background levels.[47]"
Armour
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Challenger2-Bergen-Hohne-Training-Area-2.jpg/220px-Challenger2-Bergen-Hohne-Training-Area-2.jpg)
To effectively protect the tank and its crew, tank armour must counter a wide variety of antitank threats. Protection against kinetic energy penetrators and high explosive anti-tank (HEAT) shells fired by other tanks is of primary importance, but tank armour also aims to protect against infantry antitank missiles, ATGMs, antitank mines, bombs, direct artillery hits, and (less often) nuclear, biological and chemical threats, any of which could disable or destroy a tank or its crew.
Steel armour plate was the earliest type of armour. The Germans pioneered the use of face hardened steel during World War II and the Soviets also achieved improved protection with sloped armour technology. World War II developments also spelled the eventual doom of homogeneous steel armour with the development of shaped-charge warheads, exemplified by the Panzerfaust and bazooka infantry weapons which were lethally effective, despite some early success with spaced armour. Magnetic mines led to the development of anti-magnetic paste and paint.
British tank researchers took the next step with the development of Chobham armour, or more generally composite armour, incorporating ceramics and plastics in a resin matrix between steel plates, which provided good protection against HEAT weapons. Squash head warheads led to anti-spall armour linings, and KEPs led to the inclusion of exotic materials like a matrix of depleted uranium into a composite armour configuration.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8f/M60A1-Patton-Blazer-latrun-2.jpg/220px-M60A1-Patton-Blazer-latrun-2.jpg)
Reactive armour consists of small explosive-filled metal boxes that detonate when hit by the metallic jet projected by an exploding HEAT warhead, causing their metal plates to disrupt it. Tandem warheads defeat reactive armour by causing the armour to detonate prematurely. Modern Reactive armour protects itself from Tandem warheads by having a thicker front metal plate to prevent the precursor charge from detonating the explosive in the reactive armour. Reactive armours can also reduce the penetrative abilities of kinetic energy penetrators by deforming the penetrator with the metal plates on the Reactive armour, thereby reducing its effectiveness against the main armour of the tank.
Grenade launchers which can rapidly deploy a smoke screen, which are opaque to Infrared light, to hide it from the thermal viewer of another tank. The modern Shtora "soft-kill" countermeasure system provides additional protection by interfering with enemy targeting and fire-control systems and jamming of SACLOS guided ATGMs.
Active protection system
The latest generation of protective measures for tanks are active protection systems, particularly "hard-kill". The Soviet Drozd, the Russian Arena, the Israeli TROPHY and Iron Fist, Polish ERAWA (on PT-91), and the American Quick Kill systems show the potential to dramatically improve protection for tanks against missiles, RPGs and potentially KEP attacks, but concerns regarding a danger zone for nearby dismounted troops remain. As for 2011, only the Israeli Trophy active protection system, installed on the Merkava Mk4, has been combat-proven, as it successfully intercepted RPG rocket during operational mission on the Gaza Strip border.
Mobility
The mobility of a tank is described by its battlefield or tactical mobility, its operational mobility, and its strategic mobility. Tactical mobility can be broken down firstly into agility, describing the tank's acceleration, braking, speed and rate of turn on various terrain, and secondly obstacle clearance: the tank's ability to travel over vertical obstacles like low walls or trenches or through water. Operational mobility is a function of manoeuvre range; but also of size and weight, and the resulting limitations on options for manoeuvre.
Strategic mobility
Strategic mobility is the ability of the tanks of an armed force to arrive in a timely, cost effective, and synchronized fashion. For good strategic mobility transportability by air is important, which means that weight and volume must be kept within the designated transport aircraft capabilities.
Nations often stockpile enough tanks to respond to any threat without having to make more tanks as many sophisticated designs can only be produced at a relatively low rate. The US Military for instance keeps 6000 MBTs in storage.[48]
Tactical mobility
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/M1_strategic_mobility.jpg/220px-M1_strategic_mobility.jpg)
Tank agility is a function of the weight of the tank due to its inertia while manoeuvring and its ground pressure, the power output of the installed power plant and the tank transmission and track design. In addition, rough terrain effectively limits the tank's speed through the stress it puts on the suspension and the crew. A breakthrough in this area was achieved during World War II when improved suspension systems were developed that allowed better cross-country performance and limited firing on the move. Systems like the earlier Christie or later torsion-bar suspension developed by Ferdinand Porsche dramatically improved the tank's cross-country performance and overall mobility.[49]
Tanks are highly mobile and able to travel over most types of terrain due to their continuous tracks and advanced suspension. The tracks disperse the weight of the vehicle over a large area, resulting in a less ground pressure. A tank can travel at approximately 40 kilometres per hour (25 mph) across flat terrain and up to 70 kilometres per hour (43 mph) on roads, but due to the mechanical strain this places on the vehicle and the logistical strain on fuel delivery and tank maintenance, these must be considered "burst" speeds that invite mechanical failure of engine and transmission systems. Consequently, wheeled tank transporters and rail infrastructure is used wherever possible for long-distance tank transport. The limitations of long-range tank mobility can be viewed in sharp contrast to that of wheeled armoured fighting vehicles. The majority of blitzkrieg operations were conducted at the pedestrian pace of 5 kilometres per hour (3.1 mph), and that was only achieved on the roads of France.[50]
In the absence of combat engineers, most tanks are limited to fording rivers. The typical fording depth for MBTs is approximately 1 metre (3.3 ft), being limited by the height of the engine air intake and driver's position. Modern tanks such as the Russian T-90 and the German Leopard I and Leopard II tanks can ford to a depth of 3–4 meters when properly prepared and equipped with a snorkel to supply air for the crew and engine. Tank crews usually have a negative reaction towards deep fording but it adds considerable scope for surprise and tactical flexibility in water crossing operations by opening new and unexpected avenues of attack.
Amphibious tanks are specially designed or adapted for water operations, but they are rare in modern armies, being replaced by purpose-built amphibious assault vehicles or armoured personnel carriers in amphibious assaults. Advances such as the EFA mobile bridge and MT-55 scissors bridge have also reduced the impediment to tank advance that rivers posed in World War II.[51]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/59/M88_pulling_M1_engine.jpg/220px-M88_pulling_M1_engine.jpg)
The tank's power plant supplies kinetic energy to move the tank, and electric power via a generator to components such as the turret rotation motors and the tank's electronic systems. The tank power plant has evolved from predominantly petrol and adapted large-displacement aeronautical or automotive engines during World Wars I and II, through diesel engines to advanced multi-fuel diesel engines, and powerful (per unit weight) but fuel-hungry gas turbines in the T-80 and M1 Abrams.
Tank power output in context:
Vehicle | Power output | Power/weight |
---|---|---|
Mid-sized car: Toyota Camry 2.4L | 158 horsepower (118 kW) | 106 hp/tonne |
Sports car: Lamborghini Murciélago 6.5L | 632 horsepower (471 kW) | 383 hp/tonne |
Racing car: Formula One car 3.0L | 950 horsepower (710 kW) | 2100 hp/tonne |
Main battle tank: Leopard 2, M1 Abrams | 1,500 horsepower (1,100 kW) | 24.2, 24.5 hp/tonne |
Locomotive: SNCF Class T 2000 | 2,581 horsepower (1,925 kW) | 11.5 hp/tonne |
Command, control and communications
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Leo2A6M_li.jpg/220px-Leo2A6M_li.jpg)
Commanding and coordinating tanks in the field has always been subject to particular problems, particularly in the area of communications, but in modern armies these problems have been partially alleviated by networked, integrated systems that enable communications and contribute to enhanced situational awareness.
Early
Armoured bulkheads, engine noise, intervening terrain, dust and smoke, and the need to operate "buttoned up" are severe detriments to communication and lead to a sense of isolation for small tank units, individual vehicles, and tank crewmen. Radios were not then portable or robust enough to be mounted in a tank, although Morse Code transmitters were installed in some Mark IVs at Cambrai as messaging vehicles,.[52] Attaching a field telephone to the rear would became a practice only during the next war. During World War I when these failed or were unavailable, situation reports were sent back to headquarters by some crews releasing carrier pigeons through top hatches[53] and communications between vehicles was accomplished using hand signals, handheld semaphore flags which continued in use in the Red Army/Soviet Army through the Second and Cold wars, or by foot or horse mounted messengers.[54]
Modern
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/36/MerkavaMk4_ZE001m.jpg/220px-MerkavaMk4_ZE001m.jpg)
On the modern battlefield an intercom mounted in the crew helmet provides internal communications and a link to the radio network, and on some tanks an external intercom on the rear of the tank provides communication with co-operating infantry. Radio networks employ radio voice procedure to minimise confusion and "chatter".
A recent development in AFV equipment and doctrine is the increased integration of information from the fire control system, laser rangefinder, Global Positioning System and terrain information via hardened military specification electronics and a battlefield network to display all known information on enemy targets and friendly units on a monitor in the tank. The sensor data can be sourced from nearby tanks, planes, UAVs or, in the future infantry (such as the US Future Force Warrior project). This improves the tank commander's situational awareness and ability to navigate the battlefield and select and engage targets. In addition to easing the reporting burden by automatically logging all orders and actions, orders are sent via the network with text and graphical overlays. This is known as Network-centric warfare by the US, Network Enabled Capability (UK) or Digital Army Battle Management System צי"ד (Israel).
Etymology
The word tank was first applied to the British "landships" in 1915, before they entered service, to keep their nature secret. Several explanations of the precise origin of the term have been suggested, including:
- It arose in British factories making the hulls of the first battle tanks: workmen and possible spies were to be given the impression they were constructing mobile water tanks for the British Army, thus keeping the production of a fighting vehicle secret.[17]
- The term was first used in a secret report on the new motorised weapon presented to Winston Churchill, then First Lord of the Admiralty, by British Army Lt.-Col. Ernest Swinton.[55]
- Winston Churchill's biography states, "To disguise the device, drawings were marked "water carriers for Russia." When it was pointed out this might be shortened to "WCs for Russia," the drawings were relabeled "water tanks for Russia." Eventually the weapon was just called a tank.[56] (In fact, the prototype was referred to as a water-carrier for Mesopotamia [see below]. The Russian connection is that some of the first production Tanks were labelled in Russian "With Care to Petrograd," as a further security measure.)
In his autobiography, Albert Stern (founder member of the Landships Committee, later head of the Mechanical Warfare Supply Department) says that on or shortly after October 20, 1915, "Mr. Macnamara then suggested, for secrecy's sake, to change the title of the Landships Committee. Mr. d'Eyncourt agreed that it was very desirable to retain secrecy by all means, and proposed to refer to the vessel as a "Water Carrier." In Government offices, committees and departments are always known by their initials. For this reason I, as Secretary, considered the proposed title totally unsuitable.* In our search for a synonymous term, we changed the word "Water Carrier" to "Tank," and became the "Tank Supply" or "T.S." Committee. That is how these weapons came to be called "Tanks," and the name has now been adopted by all countries in the world."[57] Swinton states, "Since the 24th December, 1915, the Tank has always been known as such; and there has been no confusion as to its nomenclature."[58] His Notes on the Employment of Tanks, in which he uses the word throughout, was published in January 1916.
(* The initials W.C. are a British abbreviation for a water closet; in other words, a toilet. Unfortunately, later in the War a number of Mk IV Tanks were fitted with grapnels to remove barbed wire. They were designated "Wire Cutters" and had the large letters "W.C." painted on their rear armour.)
Stern says, "we changed the word." Lt.-Col. Swinton also claims that it was his suggestion at that meeting.[59] However, in July 1918 the following explanation was published in Popular Science Monthly: "Because a fellow of the Royal Historical Society has unintentionally misled the British public as to the origin of the famous "tanks," Sir William Tritton, who designed and built them, has published the real story of their name. . . . Since it was obviously inadvisable to herald "Little Willie's" reason for existence to the world he was known as the "Instructional Demonstration Unit." "Little Willie's" hull was called in the shop orders a "water carrier for Mesopotamia;" no one knew that the hull was intended to be mounted on a truck. Naturally, the water carrier began to be called a "tank." So the name came to be used by managers and foremen of the shop, until now it has a place in the army vocabulary and will probably be so known in history for all time." It may be that d'Eyncourt was aware of this practice and therefore suggested the name to the Landships Committee. In any event, the word was in use by members of the Committee several months before production orders had been placed.[60]
By "all countries in the world," Stern is not entirely correct. The word "tank" was adopted in most languages, including Russian. Some countries, however, use different names. In France, in 1917 the second nation to employ tanks, the use of an English term was rejected and they are known as chars d'assaut ("assault vehicles") or simply chars. In Germany, tanks are usually referred to as "Panzer" (lit. "armour"), a shortened form of the full term "Panzerkampfwagen", literally "armoured fighting vehicle". In the Arab world, tanks are called Dabbāba (after a type of siege engine). In Italian, a tank is a "carro armato" (lit. "armed wagon"), without reference to its armour. The Scandinavian countries use the term stridsvogn (Norway) or stridsvagn (Sweden) ("chariot", lit. "battle wagon").
See also
|
Notes
- ^ von Senger and Etterlin (1960), The World's Armored Fighting Vehicles, p.9.
- ^ a b House (1984), Toward Combined Arms Warfare:A Survey of 20th-Century Tactics, Doctrine, and Organization
- ^ Tranquiler, Roger, Modern Warfare. A French View of Counterinsurgency, trans. Daniel Lee,
Pitting a traditional combined armed force trained and equipped to defeat similar military organisations against insurgents reminds one of a pile driver attempting to crush a fly, indefatigably persisting in repeating its efforts.
- ^ Camborneredruthpacket.co.uk
- ^ http://books.google.com/books?id=Lk4EAAAAMBAJ&pg=PA6&lpg=PA6&dq=major+r.+p.+davidson&source=bl&ots=LUUOE3aTNX&sig=CIJc06LHsPx3F7sPNkzKWhMxzKQ&hl=en&ei=ao0xTuG8E-nHsQLQv4HkCg&sa=X&oi=book_result&ct=result&resnum=3&ved=0CCkQ6AEwAg#v=onepage&q=major%20r.%20p.%20davidson&f=false
- ^ DoppelAdler.com
- ^ Kenneth Macksey, Tank Facts and Feats, ISBN 0851122043
- ^ a b Guy Hartcup, The War of Invention: Scientific Developments, 1914-18, ISBN 0080335918
- ^ Coulthard-Clark, Christopher D., Australian Dictionary of Biography, online edition, retrieved 2008-08-26
- ^ a b Churchill, p. 316
- ^ Churchill, p. 317
- ^ McMillan, N: Locomotive Apprentice at the North British Locomotive Company Ltd Glasgow Plateway Press 1992
- ^ Regan (1993), The Guinness Book of More Military Blunders, p.12
- ^ Willmott (2003), First World War, p.222
- ^ FirstWorldWar.com
- ^ Steven J. Zaloga, The Renault FT Light Tank, London 1988
- ^ a b Willmott (2003), First World War
- ^ a b c d Deighton (1979), Blitzkrieg, From the rise of Hitler to the fall of Dunkirk.
- ^ Time (1937), Chewed up
- ^ Cooper and Lucas (1979), Panzer: The Armored Force of the Third Reich, p.9
- ^ Forty (2004), p.251.
- ^ Zaloga et al. (1997)
- ^ Stolfi, Hitler's Panzers East
- ^ Deighton (1979), Blitzkrieg, From the rise of Hitler to the fall of Dunkirk, p 307
- ^ Cawthorne (2003), Steel Fist: Tank Warfare 1939 - 45, pp. 211
- ^ T-72 Main Battle Tank 1974-93 By Steven J. Zaloga, Michael Jerchel, Stephen Sewell
- ^ Steven Zaloga and Hugh Johnson (2004), T-54 and T-55 Main Battle Tanks 1944–2004, Osprey, 39-41, ISBN 1-84176-792-1, p 43
- ^ von Senger und Etterlin (1960), The World's Armoured Fighting Vehicles, p. 61, 118 & 183
- ^ Martin J. Dougherty, Chris McNab (2010). Combat Techniques: An Elite Forces Guide to Modern Infantry Tactics. Macmillan. ISBN 978-0312-36824. Retrieved 5 March 2011.
{{cite book}}
: Check|isbn=
value: length (help) - ^ USA Today (2005), Tank takes a beating in Iraq
- ^ a b USA Today (2005), Tanks adapted for urban fights they once avoided
- ^ Pengelley, Rupert, A new era in tank main armament, pp. 1521 - 1531
- ^ Hilmes, Rolf (January 30, 1999), "Aspects of future MBT conception". Military Technology 23 (6): 7. Moench Verlagsgesellschaft Mbh.
- ^ Goodell, Brad (January 1, 2007), "Electrothermal Chemical (ETC) Armament Integration into a Combat Vehicle". IEEE Transaction on Magnetics, Volume 23, Number 1, pp. 456-459.
- ^ Wickert, Matthias, Electric Armor Against Shaped Charges, pp. 426 - 429
- ^ Xiaopeng, Li, et al., Multiprojectile Active Electromagnetic Armor, pp. 460 - 462
- ^ Electric/Hybrid Electric Drive Vehicles for Military Applications, pp. 132 - 144
- ^ McDonald, Colin F., Gas Turbine Recuperator Renaissance, pp. 1 - 30
- ^ Koschier, Angelo V. and Mauch, Hagen R., Advantages of the LV100 as a Power Producer in a Hybrid Propulsion System for Future Fighting Vehicles, p. 697
- ^ Technology of Tanks, Richard M Ogorkiewicz, Jane's Information Group, 1991
- ^ Journal of the United Service Institution of India , Volume 98. United Service Institution of India. 1968. p. 58. Retrieved 4 April 2011.
- ^ Tim Ripley (2004). The Waffen-SS At War: Hitler's Praetorians 1925-1945. Zenith Imprint. p. 150. ISBN 0-7603-2068-3. Retrieved 18 February 2011.
- ^ BBC News (2006) Tough lessons for Israeli armour
- ^ "Defence chiefs knew 'invincible' tank armour could be breached", Daily Mail, 24 April 2007
- ^ Sean Rayment (May 12, 2007 *). "MoD kept failure of best tank quiet". Sunday Telegraph.
{{cite news}}
: Check date values in:|date=
(help) - ^ Michael R. Gordon (May 21, 2008). "Operation in Sadr City Is an Iraqi Success, So Far". The New York Times.
- ^ http://www.niistali.ru/pr_secure/nobron_en.htm#7
- ^ John Pike. "M1 Abrams Main Battle Tank". Globalsecurity.org. Retrieved 2009-06-09.
- ^ Deighton (1979), Blitzkrieg, From the rise of Hitler to the fall of Dunkirk, pp. 154
- ^ Deighton (1979), Blitzkrieg, From the rise of Hitler to the fall of Dunkirk, p.180
- ^ Deighton (1979), Blitzkrieg, From the rise of Hitler to the fall of Dunkirk, pp.234-252
- ^ Macksey, K., Tank vs Tank, Grub Street, London, 1999, p.32
- ^ Fletcher, D., British Mark I Tank 1916, Osprey, p.19
- ^ Wright 2002, Tank: The Progress of a Monstrous War Machine, p. 48, "To the extent that they communicated at all, the tank crews did so by squeezing carrier pigeons out through a hole in a gun sponson, by brandishing a shovel through the manhole,mili or by frantically waving coloured discs in the air."
- ^ Barris (2007), Victory at Vimy: Canada Comes of Age April 9–12, 1917, p.116
- ^ Gilbert (1991), Churchill: A Life, p.298.
- ^ Tanks 1914-1918; The Log Book of a Pioneer. Hodder & Stoughton, 1919
- ^ Eyewitness; being personal reminiscences of certain phases of the Great War ... By Ernest Dunlop Swinton
- ^ Over My Shoulder; The Autobiography of Major-General Sir Ernest D. Swinton. 1951
- ^ Eyewitness; being personal reminiscences of certain phases of the Great War. Ernest Dunlop Swinton
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(help)CS1 maint: extra punctuation (link) - von Senger und Etterlin, Dr. F. M. (1960), The World's Armoured Fighting Vehicles, London: Macdonald & Co. (Publishers) Ltd.
- Wickert, Matthias (2007), "Electric Armor Against Shaped Charges: Analysis of Jet Distortion With Respect to Jet Dynamics and Current Flow", IEEE Transaction on Magnetics, 43 (1), IEEE: 426–429, doi:10.1109/TMAG.2006.887650
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ignored (help) - Willmott, H.P. (2003), First World War, Dorling Kindersley, ISBN 1405300299; ISBN 9781405300292
- Wright, Patrick (2002), Tank: The Progress of a Monstrous War Machine, ISBN 978-0670030705
- Xiaopeng, Li (2007), "Multiprojectile Active Electromagnetic Armor", IEEE Transaction on Magnetics, 43 (1): 460–462, doi:10.1109/TMAG.2006.887581
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ignored (help) - Zaloga, Steven J. and Grandsen, James (1984), Soviet Tanks and Combat Vehicles of World War Two, London: Arms and Armour Press, ISBN 0-85368-606-8
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: CS1 maint: multiple names: authors list (link) - Zaloga, Steven J., Kinnear, Jim, Aksenov, Andrey & Koshchavtsev Aleksandr (1997), Soviet Tanks in Combat 1941–45: The T-28, T-34, T-34-85, and T-44 Medium Tanks, Hong Kong: Concord Publication, ISBN 962-361-615-5
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: CS1 maint: multiple names: authors list (link)
Recommended reading
- Macksey, Kenneth (1976), Tank Warfare, A History of Tanks in Battle, London: Panther, ISBN 0-586-04302-0
- Macksey, Kenneth and Batchelor, John H. (1970), Tank: A History of the Armoured Fighting Vehicle, New York: Scribner, ISBN 0345021665; ISBN 0356034615; ISBN 0684136511
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: CS1 maint: multiple names: authors list (link) - Ogorkiewicz, Richard M. (1968), Design and Development of Fighting Vehicles, London: MacDonald, ISBN 0-356-01461-4
- Ogorkiewicz, Richard M. (1970), Armoured Forces: A History of Armoured Forces and Their Vehicles, Arms & Armour Press, ISBN 0-85368-049-3
- Ogorkiewicz, Richard M. (1991), Technology of Tanks, Coulsdon, Surrey: Jane's Information Group, ISBN 0-7106-0595-1
- Weeks, John (1975), Men Against Tanks: A History of Anti-Tank Warfare, New York: Mason Charter, ISBN 0-88405-130-7; ISBN 0-7153-6909-1
External links
- Articles on Modern tanks
- The Burstyn tank Landships has additional information and a model of Günther Burstyn's Motorengeschütz.
- OnWar's Tanks of World War II Comprehensive specifications and diagrams of World War II tanks.
- Achtung Panzer History of tanks and people of the Panzertruppe.
- Tanks of World War I
- Allied tank aces of World War II
- Tanks-alot.co.uk
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