1972年12月12日,美国在河内以南130公里的汤化桥投下了一枚激光制导炸弹,将该桥炸毁,达就是激光制导武器第一次用于战场。整个70年代,激光制导武器成了许多国家竞相 On December 12, 1972, the United States dropped a laser-guided bomb on the Tanghua Bridge 130 km south of Hanoi to blow up the bridge, the first time that laser-guided weapons were used in the battlefield. Throughout the 1970s, laser-guided weapons became competing in many countries