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M1 Helmet
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The M1 helmet is a combat helmet that was used by the American military from World War II until it was succeeded by the PASGT helmet beginning in 1985. For over forty years, the M1 was standard issue for the U.S. military and naval forces, and has become an icon of the American military, with its design inspiring other militaries around the world.
The M1 helmet is extremely popular with militaria collectors, and helmets from the World War II period are generally more valuable than later models.
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Encyclopedia
The M1 helmet is a combat helmet that was used by the American military from World War II until it was succeeded by the PASGT helmet beginning in 1985. For over forty years, the M1 was standard issue for the U.S. military and naval forces, and has become an icon of the American military, with its design inspiring other militaries around the world.
The M1 helmet is extremely popular with militaria collectors, and helmets from the World War II period are generally more valuable than later models. Both World War II and Vietnam era helmets are becoming harder to find. Those with (original) rare or unusual markings or some kind of documented history tend to be more expensive. This is particularly true of paratroopers' helmets, which are variants known as the M1C Helmet and M2 Helmet.
History
The M1 Helmet was introduced during the World War II in 1942 to replace the M1917A1 Steel helmet. During the service life of the M1 helmet, 20 million US M-1 steel helmets were manufactured during World War II. A second US production run of approximately one million helmets was made in 1966-1967, for the Vietnam War. The Vietnam War helmet was different from the World War II/Korean War version by having a lowered, or less pronounced dome shape at the top forward section, and was painted in a light olive green. The M1 was phased out during the 1980s in favor of the PASGT helmet which offered increased ergonomics and ballistic protection. It should be noted that no distinction in nomenclature existed between wartime front seams and post war shells in the United States Army supply system, hence World War II shells remained in use until the M1 was retired from service.
While obsolete in United States service, the M1 Helmet and international variants are still in use by other nations around the world. The M1 helmet liner still occupies a symbolic niche in the United States military. For example, liners are currently worn in training by United States Navy SEALs BUD/S candidates, wherein it is painted with the trainees' class number, name, and rank insignia, and painted and chromed versions models are still used in ceremonial units. In Israeli service, reserve soldiers have used the M1 helmet in combat as late as 2006.
Design
The M1 is two "one-size-fits-all" helmets: An outer shell, sometimes referred to as the "steel pot", made of metal and a hard hat-type liner that is nestled inside the shell and contains the suspension system that would be adjusted to fit the wearer's head. Helmet covers and netting would be applied by covering the steel shell with the extra material tucked inside the shell and secured by inserting the liner.
The outer shell cannot be worn by itself. The liner can be worn by itself providing protection similar to a hard hat, and was often worn in such fashion by military policemen, Assistant Drill Instructors (known as AI's), and rifle/machine gun/pistol range staff, although they were supposed to wear steel at the range. The liner is sometimes worn in U.S. military ceremonies and parades, painted white or chromed.
Shell
The shell of the M2 was changed mainly in silhouette, as seen from the side, from its World War II beginnings. The second, and last, U.S. production run of about 1 million M1s during the mid 1960s, lowered (streamlined) the top forehead portion of the steel shell. The bulk of the helmet shell is constructed from a single piece of pressed non-magnetic steel. The rim edge of the shell has a crimped metal band running around it, which provides a clean edge. This is usually known as the "rim". The metal band of the rim material has a seam where the ends of the strip meet. On the earliest shells the seam meets at the front. This was moved to the back of the rim in 1944, when the rim went from being made of stainless steel to manganese steel.
On each side of the helmet shell there are stainless steel loops for attachment of the chinstrap. The shape of these fixtures, known as bails, is one of the most recognizable distinguishing factors between shells produced at different times. Early World War II production helmets have fixed, rectangular bails, and late-war and 1960s helmets feature movable rectangular bails which swivel inward and outward. This swivel feature was adopted to address the problem that when earlier helmets were dropped, the bails were more susceptible to breaking off. Early paratrooper shells feature fixed, D-shaped bails. World War II production helmets feature khaki (olive drab late in the war) web chinstraps that are sewn on. 1960s and 70s chinstraps are made of olive drab webbing attached to the shell with blackened metal clips. Nylon, clip-on, chinstraps were introduced in the U.S. military in the 1980s and issued to be fitted by the individual serviceman to his own helmet. These straps featured a two-piece web chin cup and were fastened by a metal snap rather than buckle.
During World War II and later, many soldiers wore the webbing chinstraps unfastened or looped around the back of the helmet and clipped together. This practice arose for two reasons: First, because hand-to-hand combat was anticipated, and an enemy could be expected to attack from behind, reach over the helmet, grab its visor, and pull. If the chinstrap were worn, the head would be snapped back, causing the victim to lose balance, and leave the throat and stomach exposed to a knife thrust. Secondly, many men incorrectly believed that a nearby exploding bomb or artillery shell could cause the chinstrap to snap their neck when the helmet was caught in its concussive force, although a replacement buckle, the T-1 pressure-release buckle, was manufactured that allowed the chinstrap to release automatically should this occur. In place of the chinstrap, the nape strap inside the liner was counted on to provide sufficient contact to keep the helmet from easily falling off the wearer's head.
Alternative use of steel shell
The design of exterior metal led to some novel uses: When separated from the liner, the shell could be used as an entrenching tool, washbasin, bucket, seat, and, in desperate times, latrine. The shell was also used as a cooking pot but the practice was discouraged, as it would make the metal alloy brittle and useless as protective headwear.
Liner
The liner is made from many parts. The outer part is shaped to fit snugly into the steel shell. The various elements of the suspension system are riveted, later clipped, inside it. The suspension is made from strips of webbing material stretching around and across the inside of the liner. A sweatband is mounted onto these, which is adjusted to fit around the head of the wearer. World War II and Korean War era liners also have their own chinstrap made from brown leather. The liner chinstrap is snapped or riveted directly to the inside of the liner and does not have bails like the shell chinstrap, but it still swivels inside the helmet. The liner chinstrap is usually seen looped over the brim of the shell and helps to keep the shell in place when its own chinstraps aren't in use.
The first liners were made from compressed paper fibers impregnated with phenolic resin, but were quickly eliminated, because they degraded quickly in high humidity environments and were replaced by constantly evolving plastic liners. During the same period, the original silver Rayon suspension material was phased out in favor of khaki cotton. After World War II the cotton was changed from khaki or Olive Drab #3 to a color known as Olive Drab #7. Much later, liners switched to using stronger synthetic webbing and had improved neck support. There were many companies making liners during the war — Westinghouse Electric & Manufacturing Company made most of them, while other companies tested, such as Firestone Tire and Rubber Company.
In the 1960s the M1 helmet liner was redesigned, eliminating the leather chin strap, nape strap and a change in the suspension webbing to a pattern resembling an asterisk in a coarse cotton web material in lieu of the earlier herringbone twill. In the early 1970s materials changed to a thicker, more flexible nylon with a rougher unbeveled rim. Later changes included a move to a yellow and green material for liner construction.
Accessories
Cover
Around late 1942 or early 1943, the United States Marine Corps used a cloth camouflage-patterned cover for its helmets. The cover was made from herringbone twill fabric. It had a "forest green" pattern on one side and a "brown coral island" pattern on the other.
The United States Army often utilized nets to reduce the helmets shine when wet and to allow burlap scrim or vegetation to be added for camouflage purposes. Most nets were acquired from British or Canadian Army stocks or cut from larger camouflage nets, The Army did not adopt an official issue net until the M-1944 mesh net that included a neoprene foliage band, which would been retained on latter Mitchell and woodland camouflage covers.
After World War II, various styles of camouflage cover were used at different times. In the 1960s through 1970s, the type commonly seen in the United States Army and Marine Corps was a reversible fabric cover called the Mitchell pattern. This type was nearly omnipresent in Vietnam, and where, for the first time, the Army wore the cloth camouflage as general issue; whereas in World War II and the Korean War, the Army traditionally wore their helmets only with nets, or just plain, without anything on it. By contrast, United States Marines have consistently worn a cloth camouflage cover over their M-1 helmets in all three major wars — World War II, Korea, and Vietnam. The Korean War (1950-1953) was largely fought using World War II weapons and equipment, and the Marine Corps helmets and camouflage covers were basically the same as those used during World War II. In Vietnam, the green portion of the reversible fabric camouflage was normally worn outermost. Helmet covers in the (European) woodland camouflage, were designed for fighting in the European Theater of Operations (NATO), and became the post-Vietnam (jungle pattern) camouflage cover used by the U.S. military from the late 1970s onward. The (European) Woodland pattern was not reversible; they were only printed on one side. These covers were all constructed from two semi-circular pieces of cloth stitched together to form a dome-like shape conforming to the helmet's shape. They were secured to the helmet by folding their open ends into the steel pot, and then placing the liner inside, trapping the cloth between the pot and the liner. An olive green elastic band, intended to hold additional camouflage materials, was often worn around the helmet to further hold the cover in place.
Other armies used these or similar covers printed with different camouflage patterns, or employed entirely different methods. In the Dutch Army, for example, it was common practice to use a square piece of burlap as a helmet cover on M1 helmets, usually secured by a net (see above) and a wide rubber band.
During The Battle of the Bulge and Korean War, soldiers made white helmet covers that were good camouflage in the snowy areas. They were not issued to soldiers, so many soldiers simply made them from a white cloth from a shirt or, more commonly, used those that belonged to the Germans, since this is where the idea originated.
Air force use
With the use of the USAAF for massed daylight bombing raids over occupied Europe during WWII, flak protection against german anti-aircraft fire was developed. The first derivation of the M1 was to provide cut-outs so that it would fit over the earphones of the flying helmet. When extra metal plates were added to cover the earphones, the result was the M3. Larger ear plates and no flared lip to the helmet gave the M5.
International adoption
Several nations adopted the M1 helmet after World War II. The Dutch and Austrians, in particular, were very prolific in creating these clone helmets. Many speculate that adoption of the M1 style of helmet was due to the negative aura that surrounded the Stahlhelm, in addition to other more practical reasons. For reenactors with a budget and movie sets, these clone helmets are a very viable alternative to original front-seam helmets. Because of this, they are a resource that has yet to be tapped into by World War II enthusiasts. However, it should be noted that the shape of these helmets are slightly different than the World War II and Korean War vintage M1, and a trained eye can tell the difference. For example, the slight "S" shaped curve on the rim is more pronounced on the World War II and Korean War helmets. The visor in the front is also larger and the rim flares out more.
During the First Indochina War, the U.S. Army supplied the French Union and State of Vietnam troops with M1 helmets, which became more common than the French clone "Type 51" (modèle 51).
The M1 was used by the Canadian Army from 1960 to 1997.
See also
External links
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