Military Helmet (3633205430)
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A combat helmet or battle helmet is a type of
helmet A helmet is a form of protective gear worn to protect the head. More specifically, a helmet complements the skull in protecting the human brain. Ceremonial or symbolic helmets (e.g., a policeman's helmet in the United Kingdom) without protect ...
. It is a piece of
personal armor Body armor, also known as body armour, personal armor or armour, or a suit or coat of armor, is protective clothing designed to absorb or deflect physical attacks. Historically used to protect military personnel, today it is also used by variou ...
designed specifically to protect the
head A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste. Some very simple animals may ...
during
combat Combat ( French for ''fight'') is a purposeful violent conflict meant to physically harm or kill the opposition. Combat may be armed (using weapons) or unarmed ( not using weapons). Combat is sometimes resorted to as a method of self-defense, or ...
. Modern combat helmets are mainly designed to protect from shrapnel and fragments, offer some protection against small arms, and offer a mounting point for devices such as
night-vision goggles A night-vision device (NVD), also known as a night optical/observation device (NOD), night-vision goggle (NVG), is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision. The dev ...
and communications equipment.


History

Helmets are among the oldest forms of
personal protective equipment Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, elec ...
and are known to have been worn by the
Akkadians The Akkadian Empire () was the first ancient empire of Mesopotamia after the long-lived civilization of Sumer. It was centered in the city of Akkad () and its surrounding region. The empire united Akkadian and Sumerian speakers under one rul ...
/
Sumer Sumer () is the earliest known civilization in the historical region of southern Mesopotamia (south-central Iraq), emerging during the Chalcolithic and early Bronze Ages between the sixth and fifth millennium BC. It is one of the cradles of c ...
ians in the 23rd century BC,
Mycenaean Greeks Mycenaean Greece (or the Mycenaean civilization) was the last phase of the Bronze Age in Ancient Greece, spanning the period from approximately 1750 to 1050 BC.. It represents the first advanced and distinctively Greek civilization in mainland ...
since the 17th century BC, the Assyrians around
900 BC The 900s BC is a decade which lasted from 909 BC to 900 BC. Events and trends * 909 BC — Jeroboam, the first king of the northern Hebrew kingdom of Israel, dies and is succeeded by his son Nadab. A alternate of this date is 910 BC. * c. 900 ...
,
ancient Greeks Ancient Greece ( el, Ἑλλάς, Hellás) was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity ( AD 600), that comprised a loose collection of cultu ...
and
Romans Roman or Romans most often refers to: *Rome, the capital city of Italy * Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a lette ...
, throughout the
Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...
, and up to the end of the 17th century by many
combatants Combatant is the legal status of an individual who has the right to engage in hostilities during an armed conflict. The legal definition of "combatant" is found at article 43(2) of Additional Protocol I (AP1) to the Geneva Conventions of 1949. It ...
. Their materials and construction became more advanced as weapons became more and more powerful. Initially constructed from
leather Leather is a strong, flexible and durable material obtained from the tanning, or chemical treatment, of animal skins and hides to prevent decay. The most common leathers come from cattle, sheep, goats, equine animals, buffalo, pigs and hogs, ...
and
brass Brass is an alloy of copper (Cu) and zinc (Zn), in proportions which can be varied to achieve different mechanical, electrical, and chemical properties. It is a substitutional alloy: atoms of the two constituents may replace each other with ...
, and then
bronze Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals, such as phosphorus, or metalloids such ...
and
iron Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in f ...
during the
Bronze Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals, such as phosphorus, or metalloids such ...
and
Iron Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in f ...
Ages, they soon came to be made entirely from forged
steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant ty ...
in many societies after about 950 AD. At that time, they were purely military equipment, protecting the head from cutting blows with
sword A sword is an edged, bladed weapon intended for manual cutting or thrusting. Its blade, longer than a knife or dagger, is attached to a hilt and can be straight or curved. A thrusting sword tends to have a straighter blade with a pointed ti ...
s, flying
arrow An arrow is a fin-stabilized projectile launched by a bow. A typical arrow usually consists of a long, stiff, straight shaft with a weighty (and usually sharp and pointed) arrowhead attached to the front end, multiple fin-like stabilizers c ...
s, and low-velocity
musket A musket is a muzzle-loaded long gun that appeared as a smoothbore weapon in the early 16th century, at first as a heavier variant of the arquebus, capable of penetrating plate armour. By the mid-16th century, this type of musket gradually d ...
ry. Iron helmets were deployed into the cavalry of the
Mali Empire The Mali Empire ( Manding: ''Mandé''Ki-Zerbo, Joseph: ''UNESCO General History of Africa, Vol. IV, Abridged Edition: Africa from the Twelfth to the Sixteenth Century'', p. 57. University of California Press, 1997. or Manden; ar, مالي, Māl ...
to protect the cavalrymen and their mount. Military use of helmets declined after 1670, and rifled
firearms A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions). The first firearms originated in 10th-century China, when bamboo tubes c ...
ended their use by foot soldiers after 1700 but the Napoleonic era saw ornate cavalry helmets reintroduced for
cuirassier Cuirassiers (; ) were cavalry equipped with a cuirass, sword, and pistols. Cuirassiers first appeared in mid-to-late 16th century Europe as a result of armoured cavalry, such as men-at-arms and demi-lancers, discarding their lances and adoptin ...
s and
dragoon Dragoons were originally a class of mounted infantry, who used horses for mobility, but dismounted to fight on foot. From the early 17th century onward, dragoons were increasingly also employed as conventional cavalry and trained for combat w ...
s in some armies which continued to be used by French forces during
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
as late as 1915.Heaumes Page
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
and its increased use of
artillery Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during siege ...
renewed the need for steel helmets, with the French Adrian helmet and the British
Brodie helmet The Brodie helmet is a steel combat helmet designed and patented in London in 1915 by Latvian inventor John Leopold Brodie ( lv, Leopolds Janno Braude). A modified form of it became the Helmet, Steel, Mark I in Britain and the M1917 Helmet in ...
being the first modern steel helmets used on the battlefield, soon followed by the adoption of similar steel helmets, such as the Stahlhelm by the other warring nations. Such helmets offered protection for the head from shrapnel and fragments. Today's militaries often use high quality helmets made of ballistic materials such as
Kevlar Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s a ...
and
Twaron Twaron (a brand name of Teijin Aramid) is a para-aramid. It is a heat-resistant and strong synthetic fibre developed in the early 1970s by the Dutch company Akzo Nobel's division Enka BV, later Akzo Industrial Fibers. The research name of the para ...
, which offer improved protection. Some helmets also have good non-ballistic protective qualities, against threats such as concussive
shock wave In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave, a shock wave carries energy and can propagate through a med ...
s from
explosion An explosion is a rapid expansion in volume associated with an extreme outward release of energy, usually with the generation of high temperatures and release of high-pressure gases. Supersonic explosions created by high explosives are known ...
s. Many of today's combat helmets have been adapted for
modern warfare Modern warfare is warfare that is in notable contrast with previous military concepts, methods, and technology, emphasizing how combatants must modernize to preserve their battle worthiness. As such, it is an evolving subject, seen different ...
requirements and upgraded with STANAG rails to act as a platform for mounting cameras, video cameras and VAS Shrouds for the mounting of night-vision devices. Beginning in the early 20th century, combat helmets have often been equipped with
helmet cover The helmet cover was first used by French soldiers during World War I. Helmet covers are usually made out of canvas or cotton and come in many camouflage designs, for example: woodland, desert or urban, and different camouflage patterns like MA ...
s to offer greater camouflage. There have been two main types of covers—mesh nets were earlier widely used, but most modern combat helmets use
camouflage Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else. Examples include the leopard's spotted coat, the ...
cloth covers instead. By the late 20th century, starting in the 1970s and 1980s, new materials such as
Kevlar Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s a ...
and Twaron began replacing
steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant ty ...
as the primary material for combat helmets, in an effort to improve weight reduction and ballistic protection, and protection against
traumatic brain injury A traumatic brain injury (TBI), also known as an intracranial injury, is an injury to the brain caused by an external force. TBI can be classified based on severity (ranging from mild traumatic brain injury TBI/concussionto severe traumatic b ...
. This practice still continues into the 21st century, with further advancement and refinements in the fibers used, design and shape of the helmet, and increased modularity. Early helmet systems of this new design are the American
PASGT Personnel Armor System for Ground Troops (PASGT, pronounced ) is a combat helmet and ballistic vest that was used by the United States military from the early 1980s until the mid-2000s, when the helmet and vest were succeeded by the Lightweight ...
, the Spanish
MARTE Marte may refer to: *Marte, Nigeria, a Local Government Area in Borno State *Marte (surname), including a list of people with the name * C.D. Marte, a Mexican football club *C.D. Atlético Marte, a Salvadoran football club * ST ''Marte'', a tug in ...
, the Italian SEPT-2 PLUS, and British Mk6.


Padding

Cushioning is used to negate concussive injuries. Researchers at the
Lawrence Livermore National Laboratory Lawrence Livermore National Laboratory (LLNL) is a federal research facility in Livermore, California, United States. The lab was originally established as the University of California Radiation Laboratory, Livermore Branch in 1952 in response ...
published a study in 2011 that concluded that the addition of an ⅛ inch (3 mm) of cushion decreased the impact force to the skull by 24%.


See also

*
List of combat helmets Ancient militaries File:Boars's tusk helmet NAMA6568 Athens Greece1.jpg, Mycenaean Greek boar tusk helmet, Mycenae, 14th century BCE Image:Corinthian helmet Denda Staatliche Antikensammlungen 4330.jpg, Ancient Greek bronze Corinthian helmet, c ...


References


External links

* {{DEFAULTSORT:Combat Helmet Headgear Medieval helmets Military uniforms Body armor