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Soldiers of the ROK Armed Forces 6th Infantry Division, Reconnaissance Battalion, conducting exercise, 2014 2014.8.26 GOP tongsinbyeong Republic of Korea Army 6th Infantry Division (14925350059).jpg
Soldiers of the ROK Armed Forces 6th Infantry Division, Reconnaissance Battalion, conducting exercise, 2014
Infantry soldiers of the French Army with Gurkhas during joint exercise CJEF joint training Exercise Wessex Storm 2020 MOD 45167425.jpg
Infantry soldiers of the French Army with Gurkhas during joint exercise

Infantry is a military specialization which engages in ground combat on foot. Infantry generally consists of light infantry, mountain infantry, motorized & mechanized infantry, airborne infantry, and naval infantry or marines. Although disused in modern times, heavy infantry also commonly made up the bulk of many historic armies. Infantry, cavalry, and artillery have traditionally made up the core of the combat arms professions of various armies, with the infantry almost always comprising the largest portion of these forces. [1] [ text–source integrity? ]


Etymology and terminology

Various infantry of the 17th through 18th century (halberdier, arquebusier, pikeman, and mix of musketeers and grenadiers) of Duchy of Wurttemberg Tafel Io.jpg
Various infantry of the 17th through 18th century (halberdier, arquebusier, pikeman, and mix of musketeers and grenadiers) of Duchy of Württemberg
Infantry of the US 3rd Armored Cavalry Regiment enter their M2 Bradley IFV during a combat patrol, Tall Afar, Iraq, 2006 M2 loading.jpg
Infantry of the US 3rd Armored Cavalry Regiment enter their M2 Bradley IFV during a combat patrol, Tall Afar, Iraq, 2006

In English, use of the term infantry began about the 1570s, describing soldiers who march and fight on foot. The word derives from Middle French infanterie, from older Italian (also Spanish) infanteria (foot soldiers too inexperienced for cavalry), from Latin īnfāns (without speech, newborn, foolish), from which English also gets infant . [2] The individual-soldier term infantryman was not coined until 1837. [3] In modern usage, foot soldiers of any era are now considered infantry and infantrymen. [4]

From the mid-18th century until 1881 the British Army named its infantry as numbered regiments "of Foot" to distinguish them from cavalry and dragoon regiments (see List of Regiments of Foot).[ citation needed ]

Infantry equipped with special weapons were often named after that weapon, such as grenadiers for their grenades, or fusiliers for their fusils.These names can persist long after the weapon speciality; examples of infantry units that retained such names are the Royal Irish Fusiliers and the Grenadier Guards.[ citation needed ]

Dragoons were created as mounted infantry, with horses for travel between battles; they were still considered infantry since they dismounted before combat. However, if light cavalry was lacking in an army, any available dragoons might be assigned their duties; this practise increased over time, and dragoons eventually received all the weapons and training as both infantry and cavalry, and could be classified as both. Conversely, starting about the mid-19th century, regular cavalry have been forced to spend more of their time dismounted in combat due to the ever-increasing effectiveness of enemy infantry firearms. Thus most cavalry transitioned to mounted infantry. As with grenadiers, the dragoon and cavalry designations can be retained long after their horses, such as in the Royal Dragoon Guards, Royal Lancers, and King's Royal Hussars.[ citation needed ]

Similarly, motorised infantry have trucks and other unarmed vehicles for non-combat movement, but are still infantry since they leave their vehicles for any combat. Most modern infantry have vehicle transport, to the point where infantry being motorised is generally assumed, and the few exceptions might be identified as modern light infantry. Mechanised infantry go beyond motorised, having transport vehicles with combat abilities, armoured personnel carriers (APCs), providing at least some options for combat without leaving their vehicles. In modern infantry, some APCs have evolved to be infantry fighting vehicles (IFVs), which are transport vehicles with more substantial combat abilities, approaching those of light tanks. Some well-equipped mechanised infantry can be designated as armoured infantry. Given that infantry forces typically also have some tanks, and given that most armoured forces have more mechanised infantry units than tank units in their organisation, the distinction between mechanised infantry and armour forces has blurred.[ citation needed ]


The first military forces in history were infantry. In antiquity, infantry were armed with early melee weapons such as a spear, axe, or sword, or an early ranged weapon like a javelin, sling, or bow, with a few infantry men being expected to use both a melee and a ranged weapon. With the development of gunpowder, infantry began converting to primarily firearms. By the time of Napoleonic warfare, infantry, cavalry and artillery formed a basic triad of ground forces, though infantry usually remained the most numerous. With armoured warfare, armoured fighting vehicles have replaced the horses of cavalry, and airpower has added a new dimension to ground combat, but infantry remains pivotal to all modern combined arms operations.

Ancient Greek infantry of the Greco-Persian Wars (499-449 BC): light infantry (left, slinger), and the heavy infantry (middle and right, hoplites) Greek soldiers of Greco-Persian Wars.png
Ancient Greek infantry of the Greco-Persian Wars (499–449 BC): light infantry (left, slinger), and the heavy infantry (middle and right, hoplites)
Rocroi, el ultimo tercio ("Roicroi, the last tercio") by Augusto Ferrer-Dalmau, portraying infantry of a battered Spanish tercio at the 1643 Battle of Rocroi Rocroi, el ultimo tercio, por Augusto Ferrer-Dalmau.jpg
Rocroi, el último tercio ("Roicroi, the last tercio") by Augusto Ferrer-Dalmau, portraying infantry of a battered Spanish tercio at the 1643 Battle of Rocroi

[ citation needed ]

French infantry line performing a bayonet charge in 1913 French bayonet charge.jpg
French infantry line performing a bayonet charge in 1913

The first warriors, adopting hunting weapons or improvised melee weapons, [5] before the existence of any organised military, likely started essentially as loose groups without any organisation or formation. But this changed sometime before recorded history; the first ancient empires (2500–1500 BC) are shown to have some soldiers with standardised military equipment, and the training and discipline required for battlefield formations and manoeuvres: regular infantry. [6] Though the main force of the army, these forces were usually kept small due to their cost of training and upkeep, and might be supplemented by local short-term mass-conscript forces using the older irregular infantry weapons and tactics; this remained a common practice almost up to modern times. [7]

Before the adoption of the chariot to create the first mobile fighting forces c.2000 BC, [8] all armies were pure infantry. Even after, with a few exceptions like the Mongol Empire, infantry has been the largest component of most armies in history.[ citation needed ]

In the Western world, from Classical Antiquity through the Middle Ages (c. 8th century BC to 15th century AD), infantry are categorised as either heavy infantry or light infantry. Heavy infantry, such as Greek hoplites, Macedonian phalangites, and Roman legionaries, specialised in dense, solid formations driving into the main enemy lines, using weight of numbers to achieve a decisive victory, and were usually equipped with heavier weapons and armour to fit their role. Light infantry, such as Greek peltasts, Balearic slingers, and Roman velites, using open formations and greater manoeuvrability, took on most other combat roles: scouting, screening the army on the march, skirmishing to delay, disrupt, or weaken the enemy to prepare for the main forces' battlefield attack, protecting them from flanking manoeuvers, and then afterwards either pursuing the fleeing enemy or covering their army's retreat.[ citation needed ]

After the fall of Rome, the quality of heavy infantry declined, and warfare was dominated by heavy cavalry, [9] such as knights, forming small elite units for decisive shock combat, supported by peasant infantry militias and assorted light infantry from the lower classes. Towards the end of Middle Ages, this began to change, where more professional and better trained light infantry could be effective against knights, such as the English longbowmen in the Hundred Years' War. By the start of the Renaissance, the infantry began to return to a larger role, with Swiss pikemen and German Landsknechts filling the role of heavy infantry again, using dense formations of pikes to drive off any cavalry. [10]

Dense formations are vulnerable to ranged weapons. Technological developments allowed the raising of large numbers of light infantry units armed with ranged weapons, without the years of training expected for traditional high-skilled archers and slingers. This started slowly, first with crossbowmen, then hand cannoneers and arquebusiers, each with increasing effectiveness, marking the beginning of early modern warfare, when firearms rendered the use of heavy infantry obsolete. The introduction of musketeers using bayonets in the mid 17th century began replacement of the pike with the infantry square replacing the pike square. [11]

To maximise their firepower, musketeer infantry were trained to fight in wide lines facing the enemy, creating line infantry. These fulfilled the central battlefield role of earlier heavy infantry, using ranged weapons instead of melee weapons. To support these lines, smaller infantry formations using dispersed skirmish lines were created, called light infantry, fulfilling the same multiple roles as earlier light infantry. Their arms were no lighter than line infantry; they were distinguished by their skirmish formation and flexible tactics.[ citation needed ]

The modern rifleman infantry became the primary force for taking and holding ground on battlefields as a element of combined arms. As firepower continued to increase, use of infantry lines diminished, until all infantry became light infantry in practice.[ citation needed ]

Modern classifications of infantry have expanded to reflect modern equipment and tactics, such as motorised infantry, mechanised or armoured infantry, mountain infantry, marine infantry, and airborne infantry.[ citation needed ]


Swiss infantry kits arrayed in front of a field kitchen in Spitalacker, Bern during a workers' strike, c. 1918 Feldkuche im Hof der Sekundarschule Spitalacker - CH-BAR - 3241487.tif
Swiss infantry kits arrayed in front of a field kitchen in Spitalacker, Bern during a workers' strike, c.1918
US Army infantryman c. 1973 Alice equipaggiamento3.jpg
US Army infantryman c.1973
US ALICE Alice01a.jpg

Beyond main arms and armour, a infantryman's "military kit" generally includes combat boots, battledress or combat uniform, camping gear, heavy weather gear, survival gear, secondary weapons and ammunition, weapon service and repair kits, health and hygiene items, mess kit, rations, filled water canteen, and all other consumables each infantryman needs for the expected duration of time operating away from their unit's base, plus any special mission-specific equipment. One of the most valuable pieces of gear is the entrenching tool—basically a folding spade—which can be employed not only to dig important defences, but also in a variety of other daily tasks, and even sometimes as a weapon. [12] Infantry typically have shared equipment on top of this, like tents or heavy weapons, where the carrying burden is spread across several infantrymen. In all, this can reach 25–45 kg (60–100 lb) for each soldier on the march. [13] Such heavy infantry burdens have changed little over centuries of warfare; in the late Roman Republic, legionaries were nicknamed Marius' mules as their main activity seemed to be carrying the weight of their legion around on their backs. [note 1] [14]

When combat is expected, infantry typically switch to "packing light", meaning reducing their equipment to weapons, ammo, and bare essentials, and leaving the rest with their transport or baggage train, at camp or rally point, in temporary hidden caches, or even (in emergencies) discarding whatever may slow them down. [15] Additional specialised equipment may be required, depending on the mission or to the particular terrain or environment, including satchel charges, demolition tools, mines, barbed wire, carried by the infantry or attached specialists.

Historically, infantry have suffered high casualty rates from disease, exposure, exhaustion and privation — often in excess of the casualties suffered from enemy attacks. [16] Better infantry equipment to support their health, energy, and protect from environmental factors greatly reduces these rates of loss, and increase their level of effective action. Health, energy, and morale are greatly influenced by how the soldier is fed, so militaries often standardised field rations, starting from hardtack, to US K-rations, to modern MREs.[ citation needed ]

Communications gear has become a necessity, as it allows effective command of infantry units over greater distances, and communication with artillery and other support units. Modern infantry can have GPS, encrypted individual communications equipment, surveillance and night vision equipment, advanced intelligence and other high-tech mission-unique aids.[ citation needed ]

Armies have sought to improve and standardise infantry gear to reduce fatigue for extended carrying, increase freedom of movement, accessibility, and compatibility with other carried gear, such as the US All-purpose Lightweight Individual Carrying Equipment (ALICE).[ citation needed ]


Russian weapons from the 13th to 17th centuries Risunki k stat'e <<Drevne-russkoe vooruzhenie>>. Vkleika No.  1. Voennaia entsiklopediia Sytina (Sankt-Peterburg, 1911-1915).jpg
Russian weapons from the 13th to 17th centuries

Infantrymen are defined by their primary arms – the personal weapons and body armour for their own individual use. The available technology, resources, history, and society can produce quite different weapons for each military and era, but common infantry weapons can be distinguished in a few basic categories. [17] [18]

Infantrymen often carry secondary or back-up weapons, sometimes called a sidearm or ancillary weapons. Infantry with ranged or pole weapons often carried a sword or dagger for possible hand-to-hand combat. [17] The pilum was a javelin the Roman legionaries threw just before drawing their primary weapon, the gladius (short sword), and closing with the enemy line. [20]

Modern infantrymen now treat the bayonet as a backup weapon, but may also have handguns or pistols. They may also deploy anti-personnel mines, booby traps, incendiary or explosive devices defensively before combat.[ citation needed ]


The Roman testudo performed during a siege, as shown on Trajan's Column. Roman turtle formation on trajan column.jpg
The Roman testudo performed during a siege, as shown on Trajan's Column.

Infantry have employed many different methods of protection from enemy attacks, including various kinds of armour and other gear, and tactical procedures.

The most basic is personal armour. This includes shields, helmets and many types of armour – padded linen, leather, lamellar, mail, plate, and kevlar. Initially, armour was used to defend both from ranged and close combat; even a fairly light shield could help defend against most slings and javelins, though high-strength bows and crossbows might penetrate common armour at very close range. Infantry armour had to compromise between protection and coverage, as a full suit of attack-proof armour would be too heavy to wear in combat.[ citation needed ]

As firearms improved, armour for ranged defence had to be thicker and stronger. With the introduction of the heavy arquebus designed to pierce standard steel armour, it was proven easier to make heavier firearms than heavier armour; armour transitioned to be only for close combat purposes. Pikemen armour tended to be just steel helmets and breastplates, and gunners little or no armour. By the time of the musket, the dominance of firepower shifted militaries away from any close combat, and use of armour decreased, until infantry typically went without any armour.[ citation needed ]

Helmets were added back during World War I as artillery began to dominate the battlefield, to protect against their fragmentation and other blast effects beyond a direct hit. Modern developments in bullet-proof composite materials like kevlar have started a return to body armour for infantry, though the extra weight is a notable burden.[ citation needed ]

In modern times, infantrymen must also often carry protective measures against chemical and biological attack, including military gas masks, counter-agents, and protective suits. All of these protective measures add to the weight an infantryman must carry, and may decrease combat efficiency.[ citation needed ]

Infantry-served weapons

Early crew-served weapons were siege weapons, like the ballista, trebuchet, and battering ram. Modern versions include machine guns, anti-tank missiles, and infantry mortars.[ citation needed ]


Ancient depiction of infantry formations, from the Stele of the Vultures, Early Dynastic Period (Mesopotamia), c. 2500 BC Stele of Vultures detail 01a.jpg
Ancient depiction of infantry formations, from the Stele of the Vultures, Early Dynastic Period (Mesopotamia), c.2500 BC

Beginning with the development the first regular military forces, close-combat regular infantry fought less as unorganised groups of individuals and more in coordinated units, maintaining a defined tactical formation during combat, for increased battlefield effectiveness; such infantry formations and the arms they used developed together, starting with the spear and the shield.[ citation needed ]

A spear has decent attack abilities with the additional advantage keeping opponents at distance; this advantage can be increased by using longer spears, but this could allow the opponent to side-step the point of the spear and close for hand-to-hand combat where the longer spear is near useless. This can be avoided when each spearman stays side by side with the others in close formation, each covering the ones next to him, presenting a solid wall of spears to the enemy that they cannot get around.[ citation needed ]

Similarly, a shield has decent defence abilities, but is literally hit-or-miss; an attack from an unexpected angle can bypass it completely. Larger shields can cover more, but are also heavier and less manoeuvrable, making unexpected attacks even more of a problem. This can be avoided by having shield-armed soldiers stand close together, side-by-side, each protecting both themselves and their immediate comrades, presenting a solid shield wall to the enemy.

The charge of the French Cuirassiers at the Battle of Waterloo against a British infantry square Charge of the French Cuirassiers at Waterloo.jpg
The charge of the French Cuirassiers at the Battle of Waterloo against a British infantry square

The opponents for these first formations, the close-combat infantry of more tribal societies, or any military without regular infantry (so called "barbarians") used arms that focused on the individual – weapons using personal strength and force, such as larger swinging swords, axes, and clubs. These take more room and individual freedom to swing and wield, necessitating a more loose organisation. While this may allow for a fierce running attack (an initial shock advantage) the tighter formation of the heavy spear and shield infantry gave them a local manpower advantage where several might be able to fight each opponent.[ citation needed ]

Thus tight formations heightened advantages of heavy arms, and gave greater local numbers in melee. To also increase their staying power, multiple rows of heavy infantrymen were added. This also increased their shock combat effect; individual opponents saw themselves literally lined-up against several heavy infantryman each, with seemingly no chance of defeating all of them. Heavy infantry developed into huge solid block formations, up to a hundred meters wide and a dozen rows deep.[ citation needed ]

Maintaining the advantages of heavy infantry meant maintaining formation; this became even more important when two forces with heavy infantry met in battle; the solidity of the formation became the deciding factor. Intense discipline and training became paramount. Empires formed around their military.[ citation needed ]


The organization of military forces into regular military units is first noted in Egyptian records of the Battle of Kadesh (c.1274 BC). Soldiers were grouped into units of 50, which were in turn grouped into larger units of 250, then 1,000, and finally into units of up to 5,000 – the largest independent command. Several of these Egyptian "divisions" made up an army, but operated independently, both on the march and tactically, demonstrating sufficient military command and control organisation for basic battlefield manoeuvres. Similar hierarchical organizations have been noted in other ancient armies, typically with approximately 10 to 100 to 1,000 ratios (even where base 10 was not common), similar to modern sections (squads), companies, and regiments. [21]


Canadian army reserve infantrymen train in urban operations Calgary Highlanders Exercise Black Bear 2004.jpg
Canadian army reserve infantrymen train in urban operations

The training of the infantry has differed drastically over time and from place to place. The cost of maintaining an army in fighting order and the seasonal nature of warfare precluded large permanent armies.[ citation needed ]

The antiquity saw everything from the well-trained and motivated citizen armies of Greece and Rome, the tribal host assembled from farmers and hunters with only passing acquaintance with warfare and masses of lightly armed and ill-trained militia put up as a last ditch effort. Kushite king Taharqa enjoyed military success in the Near East as a result of his efforts to strengthen the army through daily training in long distance running. [22]

In medieval times the foot soldiers varied from peasant levies to semi-permanent companies of mercenaries, foremost among them the Swiss, English, Aragonese and German, to men-at-arms who went into battle as well-armoured as knights, the latter of which at times also fought on foot.[ citation needed ]

The creation of standing armies—permanently assembled for war or defence—saw increase in training and experience. The increased use of firearms and the need for drill to handle them efficiently.[ citation needed ]

The introduction of national and mass armies saw an establishment of minimum requirements and the introduction of special troops (first of them the engineers going back to medieval times, but also different kinds of infantry adopted to specific terrain, bicycle, motorcycle, motorised and mechanised troops) culminating with the introduction of highly trained special forces during the first and second World War.[ citation needed ]

Air force and naval infantry

NATO Map Symbol
NATO Map Symbol - Unit Size - Company or Squadron or Battery.svg
Military Symbol - Friendly Unit (Solid Light 1.5x1 Frame)- Infantry - Naval Infantry (FM 101-5-1, 1997 September 30).svg
Naval Infantry Company
NATO Map Symbol - Unit Size - Company or Squadron or Battery.svg
Military Symbol - Friendly Unit (Solid Light 1.5x1 Frame)- Infantry of the Air Force (NATO APP-6).svg
Air Force Infantry Company

Naval infantry, commonly known as marines, are primarily a category of infantry that form part of the naval forces of states and perform roles on land and at sea, including amphibious operations, as well as other, naval roles. They also perform other tasks, including land warfare, separate from naval operations.[ citation needed ]

Air force infantry and base defense forces, such as the Royal Air Force Regiment, Royal Australian Air Force Airfield Defence Guards, and Indonesian Air Force Paskhas Corps are used primarily for ground-based defense of air bases and other air force facilities. They also have a number of other, specialist roles. These include, among others, Chemical, Biological, Radiological and Nuclear (CBRN) defence and training other airmen in basic ground defense tactics.[ citation needed ]

See also


  1. Marius' reforms of the Roman army included making each man responsible for carrying his own supplies, weapons and several days' worth of ration. This made the legions less dependent on the baggage train and therefore more mobile.

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<span class="mw-page-title-main">Armour</span> Covering used to protect from physical injury or damage

Armour or armor is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat, or from a potentially dangerous environment or activity. Personal armour is used to protect soldiers and war animals. Vehicle armour is used on warships, armoured fighting vehicles, and some mostly ground attack combat aircraft.

<span class="mw-page-title-main">Hoplite</span> Ancient Greek soldier in a phalanx

Hoplites were citizen-soldiers of Ancient Greek city-states who were primarily armed with spears and shields. Hoplite soldiers used the phalanx formation to be effective in war with fewer soldiers. The formation discouraged the soldiers from acting alone, for this would compromise the formation and minimize its strengths. The hoplites were primarily represented by free citizens – propertied farmers and artisans – who were able to afford a linen armour or a bronze armour suit and weapons. Most hoplites were not professional soldiers and often lacked sufficient military training. Some states maintained a small elite professional unit, known as the epilektoi ("chosen") since they were picked from the regular citizen infantry. These existed at times in Athens, Argos, Thebes, and Syracuse, among others. Hoplite soldiers made up the bulk of ancient Greek armies.

<span class="mw-page-title-main">Combined arms</span> Using different types of combat units together.

Combined arms is an approach to warfare that seeks to integrate different combat arms of a military to achieve mutually complementary effects. According to the strategist William S. Lind, combined arms can be distinguished from the concept of "supporting arms" as follows:

Combined arms hits the enemy with two or more arms simultaneously in such a manner that the actions he must take to defend himself from one make him more vulnerable to another. In contrast, supporting arms is hitting the enemy with two or more arms in sequence, or if simultaneously, then in such combination that the actions the enemy must take to defend himself from one also defends himself from the other(s).

<span class="mw-page-title-main">Pike (weapon)</span> Long spear used by infantry

A pike is a very long thrusting spear formerly used in European warfare from the Late Middle Ages and most of the Early Modern Period, and were wielded by foot soldiers deployed in pike square formation, until it was largely replaced by bayonet-equipped muskets. The pike was particularly well-known as the primary weapon of Swiss mercenary and German Landsknecht units. A similar weapon, the sarissa, had been used in antiquity by Alexander the Great's Macedonian phalanx infantry.

<span class="mw-page-title-main">Charge (warfare)</span> Military tactics of rapid all-out attack

A charge is an offensive maneuver in battle in which combatants advance towards their enemy at their best speed in an attempt to engage in a decisive close combat. The charge is the dominant shock attack and has been the key tactic and decisive moment of many battles throughout history. Modern charges usually involve small groups of fireteams equipped with weapons with a high rate of fire and striking against individual defensive positions, instead of large groups of combatants charging another group or a fortified line.

<span class="mw-page-title-main">Skirmisher</span> Light infantry or cavalry soldier

Skirmishers are light infantry or light cavalry soldiers deployed as a vanguard, flank guard or rearguard to screen a tactical position or a larger body of friendly troops from enemy advances. They are usually deployed in a skirmish line, an irregular open formation that is much more spread out in depth and in breadth than a traditional line formation. Their purpose is to harass the enemy by engaging them in only light or sporadic combat to delay their movement, disrupt their attack, or weaken their morale. Such tactics are collectively called skirmishing.

<span class="mw-page-title-main">Peltast</span> Type of ancient Greek light infantry

A peltast was a type of light infantryman, originating in Thrace and Paeonia, and named after the kind of shield he carried. Thucydides mentions the Thracian peltasts, while Xenophon in the Anabasis distinguishes the Thracian and Greek peltast troops. The peltast often served as a skirmisher in Hellenic and Hellenistic armies. In the Medieval period, the same term was used for a type of Byzantine infantryman.

<span class="mw-page-title-main">Early modern warfare</span> Warfare during the gunpowder era

Early modern warfare is the era of warfare following medieval warfare. It is associated with the start of the widespread use of gunpowder and the development of suitable weapons to use the explosive, including artillery and firearms; for this reason the era is also referred to as the age of gunpowder warfare. This entire period is contained within the Age of Sail, which characteristic dominated the era's naval tactics, including the use of gunpowder in naval artillery.

<span class="mw-page-title-main">Armoured warfare</span> Military use of armored fighting vehicles

Armoured warfare or armored warfare, is the use of armored fighting vehicles in modern warfare. It is a major component of modern methods of war. The premise of armoured warfare rests on the ability of troops to penetrate conventional defensive lines through use of manoeuvre by armoured units.

<span class="mw-page-title-main">Shield wall</span> Defensive infantry formation

A shield wall is a military formation that was common in ancient and medieval warfare. There were many slight variations of this formation, but the common factor was soldiers standing shoulder to shoulder and holding their shields so that they would abut or overlap. Each soldier thus benefited from the protection of the shields of his neighbors and his own.

<span class="mw-page-title-main">Ancient Macedonian army</span> Army of the ancient Greek kingdom of Macedonia

The army of the Kingdom of Macedon was among the greatest military forces of the ancient world. It was created and made formidable by King Philip II of Macedon; previously the army of Macedon had been of little account in the politics of the Greek world, and Macedonia had been regarded as a second-rate power.

<span class="mw-page-title-main">Pitched battle</span> Where both sides commit to fight at a location

A pitched battle or set-piece battle is a battle in which opposing forces each anticipate the setting of the battle, and each chooses to commit to it. Either side may have the option to disengage before the battle starts or shortly thereafter. A pitched battle is not a chance encounter such as a meeting engagement, or where one side is forced to fight at a time not of its choosing such as happens in a siege or an ambush. Pitched battles are usually carefully planned, to maximize one's strengths against an opponent's weaknesses, and use a full range of deceptions, feints, and other manoeuvres. They are also planned to take advantage of terrain favourable to one's force. Forces strong in cavalry for example will not select swamp, forest, or mountain terrain for the planned struggle. For example, Carthaginian general Hannibal selected relatively flat ground near the village of Cannae for his great confrontation with the Romans, not the rocky terrain of the high Apennines. Likewise, Zulu commander Shaka avoided forested areas or swamps, in favour of rolling grassland, where the encircling horns of the Zulu Impi could manoeuvre to effect. Pitched battles continued to evolve throughout history as armies implemented new technology and tactics.

Firepower Military capability to direct force at an enemy

Firepower is the military capability to direct force at an enemy. Firepower involves the whole range of potential weapons. The concept is generally taught as one of the three key principles of modern warfare wherein the enemy forces are destroyed or have their will to fight negated by sufficient and preferably overwhelming use of force as a result of combat operations.

<span class="mw-page-title-main">Cavalry tactics</span> Military tactics involving mounted troops

For much of history, humans have used some form of cavalry for war and, as a result, cavalry tactics have evolved over time. Tactically, the main advantages of cavalry over infantry troops were greater mobility, a larger impact, and a higher position.

<span class="mw-page-title-main">Horses in warfare</span> Use of equines in combat

The first evidence of horses in warfare dates from Eurasia between 4000 and 3000 BC. A Sumerian illustration of warfare from 2500 BC depicts some type of equine pulling wagons. By 1600 BC, improved harness and chariot designs made chariot warfare common throughout the Ancient Near East, and the earliest written training manual for war horses was a guide for training chariot horses written about 1350 BC. As formal cavalry tactics replaced the chariot, so did new training methods, and by 360 BC, the Greek cavalry officer Xenophon had written an extensive treatise on horsemanship. The effectiveness of horses in battle was also revolutionized by improvements in technology, such as the invention of the saddle, the stirrup, and the horse collar.

<span class="mw-page-title-main">Javelin</span> Type of light spear designed to be thrown by hand

A javelin is a light spear designed primarily to be thrown, historically as a ranged weapon, but today predominantly for sport. The javelin is almost always thrown by hand, unlike the sling, bow, and crossbow, which launch projectiles with the aid of a hand-held mechanism. However, devices do exist to assist the javelin thrower in achieving greater distance, such as spear-throwers or the amentum.

<span class="mw-page-title-main">Heavy infantry</span> Heavily armed and armoured soldiers

Heavy infantry consisted of heavily armed and armoured infantrymen who were trained to mount frontal assaults and/or anchor the defensive center of a battle line. This differentiated them from light infantry who are relatively mobile and lightly armoured skirmisher troops intended for screening, scouting, and other tactical roles unsuited to soldiers carrying heavier loads. Heavy infantry typically made use of dense battlefield formations, such as shield wall or phalanx, multiplying their effective weight of arms with force concentration.

<span class="mw-page-title-main">Infantry in the Middle Ages</span> Overview about the infantry in the Middle Ages

Despite the rise of knightly cavalry in the 11th century, infantry played an important role throughout the Middle Ages on both the battlefield and in sieges. From the 14th century onwards, there was a rise in the prominence of infantry forces, sometimes referred to as an "infantry revolution".

<span class="mw-page-title-main">History of infantry</span>

Although the term infantry dates from the 15th century, the foot troops of the previous eras in history who fought with a variety of weapons before the introduction of the firearms are also referred to as infantry. During the Ancient and Middle Ages infantry were often categorized by the types of weapons and armour they used, such as heavy infantry and light infantry. Generally, light infantry acted as skirmishers, scouts, and as a screening force for the more heavily armed and armored heavy infantry, the latter of which often made up the bulk of many historic armies.

<span class="mw-page-title-main">Ancient Greek military personal equipment</span>

Ancient Greek weapons and armor were primarily geared towards combat between individuals. Their primary technique was called the phalanx, a formation consisting of massed shield wall, which required heavy frontal armor and medium-ranged weapons such as spears. Soldiers were required to provide their own panoply, which could prove expensive, however the lack of any official peace-keeping force meant that most Greek citizens carried weapons as a matter of course for self-defence. Because individuals provided their own equipment, there was considerable diversity in arms and armour among the Hellenistic troops.



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  2. "Infantry". Online Etymology Dictionary. Retrieved 17 October 2017.
  3. "Infantryman". Online Etymology Dictionary. Retrieved 17 October 2017.
  4. "Infantry". Retrieved 17 October 2017.
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