这 诺斯罗普·格鲁 F-5A/B自由战斗机和F-5E/F虎II是超音速轻型战斗机系列的一部分，最初由诺斯罗普公司于20世纪50年代末设计。F-5比麦克唐纳道格拉斯F-4幻影II等同时代飞机更小、更简单，在采购和操作上的成本更低，因此成为受欢迎的出口飞机。F-5在20世纪50年代开始由诺斯罗普私人资助的轻型战斗机项目。设计团队围绕两款紧凑型和高推力通用电气 J85 发动机包裹了一架小型高空气动力学战斗机，专注于性能和低成本的维护。虽然主要设计为白天的空中优势作用，飞机也是一个有能力的地面攻击平台。F-5A于20世纪60年代初投入使用。在冷战期间，到1972年，为美国盟国生产了800多枚。虽然美国空军没有承认需要轻型战斗机，但它确实采购了大约1200架诺斯罗普T-38塔隆教练机，这些飞机直接基于F-5A。
源： 维基百科上的诺斯罗普 F-5E 老虎 II
更多信息：
The Northrop F-5 is a family of supersonic light fighter aircraft that was developed by Northrop Corporation in the late 1950s. The F-5 has two main variants: the F-5A and F-5B Freedom Fighter, which were designed as low-cost export fighters for US allies, and the F-5E and F-5F Tiger II, which were upgraded versions with more powerful engines, improved avionics, and greater fuel capacity. The F-5 is a small, agile, and reliable aircraft that can perform both air-to-air and air-to-ground missions. The F-5 has been used by over 30 countries and is still in service with some of them. The F-5 also served as the basis for several other aircraft, such as the T-38 Talon trainer, the F-20 Tigershark fighter, and the Iranian HESA Kowsar fighter.
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