近年来，在第四代战斗机陆续批量服役和大国竞争的背景下，关于战争形态演变以及四代后战斗机如何发展的讨论络绎不绝。本文回顾了战斗机"代"的起源和跨代发展的驱动因素，概述了空战观察（Observe）、判断（Orient）、决策（Decision）、行动（Act）（OODA）环的演进历程，并提出了OODA 3.0的内涵。阐述了机械化、信息化、智能化发展的依托与跃升关系，就自主性、有人、无人，强平台、体系、分布式作战运用的辩证关系，以及敏捷高效的研发模式等进行了讨论。
Recent years have witnessed extensive discussions on the change of warfare forms and the development of post-4th generation fighters against the background of great power competition and batches of 4th generation fighters entering service. This paper reviews the origin of fighter generation classification and the driving elements behind each generational leap, outlining the evolution of Observe, Orient, Decision, Act (OODA) loops for air combat and proposing the essence of OODA 3.0. After a summary of the supportive and progressive relations among mechanization, informatization and intelligentization, it explores the dialectical relationship among autonomy and manned/unmanned, as well as that among platform, system of systems, and distributed operation, followed finally by a discussion of an agile and efficient development approach of future fighters.
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