2006年,美军的2辆“十字军战士”(Crusader)自行火炮将接受战斗使命,进入火力阵地,同时计算各种射击诸元。2辆车停在相距500m之外的地方,在不到30秒的时间内,首批齐射16发致命性弹药。2分钟后,2辆车撤出,对方炮兵攻击撤空的阵地。 In 2006, two US Crusader self-propelled artillery units will undergo a combat mission and enter the firing position, counting all sorts of shooting elements. Two cars parked 500m away from the place, in less than 30 seconds, the first batch of 17 rounds of fatal ammunition firing. Two minutes later, two vehicles withdrew and the other artillery attack evacuated positions.