第六代戰鬥機：修订间差异

目前，世界各主要国家的六代机研发与装备进程方兴未艾。[[美国]][[美国空军|空军]]于2020年声称已建造并试飞了一架[[次世代制空權|NGAD]]项目的全尺寸演示样机<ref name="roper1">{{cite web |last=Insinna |first=Valerie |date=15 September 2020 |title=The US Air Force has built and flown a mysterious full-scale prototype of its future fighter jet |url=https://www.defensenews.com/breaking-news/2020/09/15/the-us-air-force-has-built-and-flown-a-mysterious-full-scale-prototype-of-its-future-fighter-jet/ |url-status=live |archive-url=https://archive.today/20200915224233/https://www.defensenews.com/breaking-news/2020/09/15/the-us-air-force-has-built-and-flown-a-mysterious-full-scale-prototype-of-its-future-fighter-jet/ |archive-date=15 September 2020 |work=Defense News}}</ref><ref name="roper2">{{cite web |last=Tirpak |first=John |url=https://www.airandspaceforces.com/kendall-x-plane-program-preceded-ngad/ |title=Kendall Reveals Secret X-Plane Program Paved the Way for NGAD |work=Air & Space Forces Magazine |date=14 November 2023}}</ref>，然而该项目已于2024年被美国军方暂停<ref name="pause1"/><ref name="pause2"/>。[[中华人民共和国|中国]]的两型六代机实机（或技术验证机）据报于2024年12月首飞，两型实机其中[[成都飞机工业集团|成飞]]与[[沈阳飞机工业集团|沈飞]]各一型<ref name="ar"/><ref name="sf"/>。其他国家的六代机项目尚未有实机飛行相關消息。