引用・参考資料等 https://www.quora.com/Why-does-the-US-Air-Forces-F-15-Eagle-have-notoriously-unreliable-exhaust-nozzle-turkey-feathers-and-why-werent-they-ever-fixed-over-the-decades#:~:text=The%20turkey%20feathers%20were%20more,with%20Pratt%20F%2D100%20engineshttps://www.quora.com/Why-does-the-US-Air-Forces-F-15-Eagle-fighter-have-exhaust-nozzles-that-flare-outward-while-the-F-35-stealth-fighter-and-US-Navy-F-18-have-tapered-nozzles
http://www.nicovideo.jp/watch/sm44556110