地主家也没有余粮了!美国研发的六代机成本可能要每架 3 亿美元,太贵!再加上内部分歧,搞不定!
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The U.S. Air Force’s NGAD Fighter Nightmare Has Just Arrived
---19FortyFive
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It faces significant challenges, including escalating costs projected at $255–300 million per aircraft, skepticism within the defense industrial base, and evolving strategic priorities that favor unmanned systems over costly manned platforms.
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https://www.19fortyfive.com/2024/12/the-us-air-forces-ngad-fighter-nightmare-has-just-arrived/
美国6代机的技术验证机,美国空军已经证实在2020年就首飞了
On September 15, 2020, then-U.S. Air Force acquisition executive Dr. Will Roper announced that the Air Force had flown a full-scale flight demonstrator as part of the NGAD program.
https://news.usni.org/2022/06/24/report-to-congress-on-air-force-next-generation-air-dominance-program
当然,从原型机到量产还有一段距离