在两次世界大战中,特别是第一次世界大战时期,在步兵进攻前,广泛地使用火炮火力来破坏大面积上的敌人防御。在第二次世界大战时期,苏联陆军采用了一种新的概念,在步兵和装甲部队进攻前,用“卡秋莎”火箭炮对整个敌前线进行饱和射击。而常规火炮则用来进行防御弹幕射击或提供精确火力,主要完成防御任务。随着装甲和摩托化步兵领域的发展,特别是随着这些部队机动性的提高,更需要有一种快速反应的饱和武器,用来对付突然发动的装甲部队的进攻。在华约国军队里,每一个装甲 During both World Wars, and especially during the First World War, extensive use of artillery fire to undermine enemy defenses over a large area prior to the infantry attack. During the Second World War, the Soviet Army adopted a new concept of full-scale firing of the entire enemy front with Katyusha rockets before the infantry and armored forces attacked. While conventional artillery is used to carry out defensive barrage fire or provide accurate firepower, the main completion of the defensive mission. With the development in the armored and motorized infantry sectors, and especially with the increased mobility of these units, there is a need for a quick reaction, saturated weapon, to counter the sudden attack of armored forces. In the Armed Forces, each armor