1983年3月的一个夜晚,某军械分库勤务连排长张文科带领战士刘需义、顾金阁执行弹药押运任务。列车行至老爷岭隧道时突然减速停车,张排长立即下车查看,发现他们所搭乘的5节弹药车厢已与车头脱离,被抛在隧道内。此处铁轨为单行线,车厢里的200余吨弹药随时可能被驶来的列车撞击产生爆炸。情急之下, One night in March 1983, an ordinance sub-library service Zhang Wenke led the soldiers Liu Beiyi and Gu Jinge to carry out the ammunition escort mission. When the train suddenly decelerated to a stop at Laoyeling Tunnel, Zhang Pai-chang immediately disembarked and found that the five ammunition cabins on which he had taken the vehicle had been separated from the front and were thrown into the tunnel. Here the track is a one-way line, more than 200 tons of ammunition in the carriage at any time may be hit by a train hit the explosion. In desperation,