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 '''Gun, Field''' - Artillery weapon, used for direct or indirect fire in lower register. Usually longer range than same caliber howitzers, in smaller calibers often firing fixed charge (fixed amount of propellant) to achieve high rates of fire, at the cost of larger dead zones. Light field guns were also often pushed to anti-tank duty, thanks to their high muzzle velocity resulting in good penetration. Conversely, obsolete antitank guns often wound up acting as field guns. '''Gun, Field''' - Artillery weapon, used for direct or indirect fire in lower register. Usually longer range than same caliber howitzers, in smaller calibers often firing fixed charge (fixed amount of propellant) to achieve high rates of fire, at the cost of larger dead zones. Light field guns were also often pushed to anti-tank duty, thanks to their high muzzle velocity resulting in good penetration. Conversely, obsolete antitank guns often wound up acting as field guns.
 Typical examples: 76mm ZIS-3, 76mm PaK 36(r), 155mm M1A1 Typical examples: 76mm ZIS-3, 76mm PaK 36(r), 155mm M1A1
 +
 +'''Gun, Tank''' - Any gun specifically modified to be mounted in a tank. Due to different priorities, even exactly same guns may often vary sigbnificantly, both in the construction of their breech and in the recoil mechanism - this is because the artillery usually has little space constraints, whereas tank turret internal volume is a very definite one.
 +As an example of "tank-specific" changes, an evolution of US 76mm M1A1C gun can be taken. The original intent was to fit a 3-inch 76mm gun M7, used in Tank Destroyers and Heavy Tank M6, into a Sherman turret, but it was soon found that neither the recoil mechanism, breech or ammunition allow easy operations int he strict confines of tank turret. A new gun was thus designed, using a new ammunition - while projectiles were the same, cartridges were shorter and fatter, to give the same volume of propellant and thus the same muzzle velocity. Thus 76mm Gun M1 was created, and after shortening the barrel it became the ubiquitous M1A1/M1A1C, capable of being mounted in tanks.
  
 '''Gun-Howitzer''' - Artillery weapon, combining properties of field guns - long barrel, high muzzle velocity - with howitzers. Thanks to variable charge it is able to act as both, and since its advent it gradually proceeded to cancel both categories. Almost all weapons currently called "Howitzers" are, in fact, gun-howitzers. '''Gun-Howitzer''' - Artillery weapon, combining properties of field guns - long barrel, high muzzle velocity - with howitzers. Thanks to variable charge it is able to act as both, and since its advent it gradually proceeded to cancel both categories. Almost all weapons currently called "Howitzers" are, in fact, gun-howitzers.
 In-game, there is what is considered the first gun-howitzer of any significance. The 152mm ML-20 gun-howitzer served not only in artillery battalions, but also as a heavy direct-fire weapon in SU-152 and ISU-152 assault guns. In-game, there is what is considered the first gun-howitzer of any significance. The 152mm ML-20 gun-howitzer served not only in artillery battalions, but also as a heavy direct-fire weapon in SU-152 and ISU-152 assault guns.
  
?'''Gun, Tank''' - +'''Howitzer''' - Artillery weapon, with short barrel and low muzzle velocity, usually using separate charges. It was designed for high-register fires (above 45°) and thus to fire over hills and other obstacles. Howitzers are relatively light and share carriages with smaller guns - for example the carriages for US 155mm Field Gun and 8" Howitzer were the same.
? +Many countries thus used howitzers as a relatively simple way to increase tank firepower against soft target, to be used in assault guns and close support tanks. Because such vehicles had only a limited use against tanks, they were usually attached to tank units as support only, or concentrated in specialised units.
?'''Howitzer''' - +Typical examples: 105mm M4 Howitzer, 10.5cm Sturmhaubitze, 122mm M-30S.
  
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Version du 9 avril 2011 à 07:35

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