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美国海军美国海军为增强舰艇对抗敌军空袭能力而付出了巨大努力。二战期间,该军种耗资40亿美元试图解决该问题,这几乎相当于其弹药购置经费总额的一半。据美国海军估
U.S. Navy The U.S. Navy has made tremendous efforts to enhance the ability of ships to fight enemy air strikes. During World War II, the service spent about $ 4 billion trying to solve the problem, which was almost half the total amount of its acquisition of ammunition. According to the U.S. Navy estimates