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The earliest reference to the armor was made by the historian Marcus Junianus Justinus. He explains that the armor was used for soldiers and horses. and protected the whole body. [3] Based on a set found in Vize, Turkey, it was already in use by the middle first century AD, and remained so through the middle third century. [8]
The VPAM scale as of 2009 runs from 1 to 14, with 1-5 being soft armor, and 6-14 being hard armor. [1] Tested armor must withstand three hits, spaced 120 mm (4.7 inches) apart, of the designated test threat with no more than 25 mm (0.98 inches) of back-face deformation in order to pass.
Both attack methods will suffer from obstruction to their expected paths, so experience a greater thickness of armour than there is nominally, thus lowering penetration. Also for rod penetrations, the transverse force experienced due to the deformation may cause the rod to shatter, bend, or only change its path, again lowering penetration.
Body armor is always a compromise: mobility and comfort (and with it speed and stamina) are inevitably sacrificed to some degree when greater protection is achieved. This is a point of contention in the U.S. armed forces, with some favoring less armor in order to maintain mobility and others wanting as much protection as is practical.
Schott-Sonnenberg Style of Armour (worn with sallet and gothic gauntlets). Early types of Maximilian armour with either no fluting or wolfzähne (wolf teeth) style fluting (which differs from classic Maximilian fluting) and could be worn with a sallet are called Schott-Sonnenberg style armour by Oakeshott. [4]
Heavy utility truck ≈500 [36] HEMTT United States: Heavy utility truck 150 [37] MTVR United States: Medium utility truck 270 [38] Navistar 7000 United States: Armoured personnel carrier ≈300 [39] 115 Navistar 7000-MV on order in addition to unknown number in service. [40] M939 United States: Armoured personnel carrier ≈250 KrAZ-6322 Ukraine
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.
The T32 heavy tank was a heavy tank project started by the United States Army to create an appropriate successor to the M4A3E2 Sherman "Jumbo". The US Ordnance board managed the production of four prototypes, the main goal being to have the new tank share many common parts with the M26 Pershing .