" challenger 2 ", 1939-1940, acs, anti, art, artillerie, artillery, attack, averyanov alexander, background, battle, canon, challenger 2, class, courage, doctrine, fight, fire, grass, gun, infantry, installation, integrated circuits, it's like the t-72, m10, men, military historical reconstruction ., napoleon, offensive, period, picture, power, red army, second, self-propelled, snow, soldier, soviet-finnish war, stryker mobile gun, t-34-85, tank, tank destroyers, tanks, to the occupation of paris, uniform, uniforms, united states, vegetation, view, war, warriors, weapon, winter, world