美国一般把“海麻雀”舰空导弹叫点防空导弹,它是由“麻雀Ⅲ”空空导弹改成的。设计目的是防御敌方低空飞机和导弹对舰艇的攻击。目前已发展到第三代了。第一代称为原始点防空导弹;第二代称为改进型点防空导弹;第三代称为高级点防空导弹。 The United States generally calls the “Sea Sparrow” ship-to-air missiles air defense missiles, which were replaced by the “Sparrow III” air-to-air missiles. Designed to defend enemy ships from attacking low-altitude aircraft and missiles. Has now developed to the third generation. The first generation was called the Primitive Point Air Defense Missile; the second generation was called the Modified Point Air Defense Missile; and the third generation was called the Advanced Point Air Defense Missile.