研制背景二战的经验告诉人们,固定的大型陆基机场在敌方空中或地面攻击面前是非常脆弱的,而航空母舰在遭到像日本”神风”特攻队的突击时,生存力也不高。美国海军要靠航母办很多事情,其中虽然也包括护航,但要靠航母为每一支船队提供护航是不可能的。而且,航母也不可能完成海军 Development Background The experience of World War II tells people that a fixed large land-based airport is very vulnerable to hostile air or ground attack, and that the aircraft carrier is not viable when it is attacked by a Japanese “Kamikaze” special attack team. The United States Navy must rely on the carrier to do many things, including escort, but it is impossible to rely on the carrier for each convoy escort is impossible. Moreover, the aircraft carrier can not complete the navy