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The NIJ's stab resistance standards (Standard–0115.00) define three levels of protection: Level 1 armor is low-level protection suitable for extended wear and is usually covert. This armor protects against stab threats with a strike energy of 24±0.50 J (17.7±0.36 ft·lbf). The overtest condition for this level is 36±0.60 J (26.6±0.44 ft ...
The Improved Outer Tactical Vest (IOTV) in MultiCam, as issued to United States Army soldiers. A bulletproof vest, also known as a ballistic vest or bullet-resistant vest, is a type of body armor designed to absorb impact and prevent the penetration of firearm projectiles and explosion fragments to the torso.
Iron armor could be carburized or case hardened to give a surface of harder steel. [9] Plate armor became cheaper than mail by the 15th century as it required much less labor and labor had become much more expensive after the Black Death, though it did require larger furnaces to produce larger blooms. Mail continued to be used to protect those ...
Current use is based on military standard MIL-DTL-12560 [1] by several manufacturers. The typical Brinell Hardness range of MIL-A 12560 is 302-400 [2] The MIL-12560K standard actually specifies four classes of hardnesses. The softest class I rates as 260-310. The toughest Class 4 rates as 420-470. [3] (K is the revision number of the standard.)
Late medieval gothic plate armour with list of elements. The slot in the helmet is called an occularium. This list identifies various pieces of body armour worn from the medieval to early modern period in the Western world, mostly plate but some mail armour, arranged by the part of body that is protected and roughly by date.
An illustration of why sloped armour offers no weight benefit when protecting a certain frontal area. Comparing a vertical slab of armour (left) and a section of 45° sloped armour (right), the horizontal distance through the armour (black arrows) is the same, but the normal thickness of the sloped armour (green arrow) is less.
This meant that plunging fire became a serious concern, and lead to the strengthening of deck armor. Belt armor also became much thicker, surpassing 300 mm (12 in) on the largest battleships. [9] [10] One of the most heavily armored ships of all time, the Yamato-class battleship, had main belt of armour up to 410 millimetres (16.1 in) thick. [11]
Strength aka Body, Might, Brawn, Power ... A measure of how physically strong a character is. Strength often controls the power and/or damage of melee attacks, the maximum weight the character can carry, and sometimes hit points. Armor and weapons might also have a Strength requirement to use them.