引用・参考文献 https://www.saab.com/newsroom/press-releases/2006/saab-signs-new-agreement-with-uks-empire-test-pilots-schoolhttps://www.raf.mod.uk/news/articles/as-the-raf-continues-to-exercise-with-sweden-we-reflect-on-their-accession-to-nato/#:~:text=When%20it%20comes%20to%20tactical,the%2Dart%20electronic%20warfare%20capabilities
http://www.nicovideo.jp/watch/sm45908401
