引用・参考資料等<br><a href="https://www.quora.com/Why-do-Russian-fighter-jets-more-often-have-periscopes-for-the-rear-cockpit-to-see-forwards-than-American-designs" target="_blank" rel="noopener nofollow">https://www.quora.com/Why-do-Russian-fighter-jets-more-often-have-periscopes-for-the-rear-cockpit-to-see-forwards-than-American-designs</a><br />youtubeの方<br><a href="https://www.youtube.com/c/AdmiralyukkurimilitarybyRetoRooRaa/videos" target="_blank" rel="noopener nofollow">https://www.youtube.com/c/AdmiralyukkurimilitarybyRetoRooRaa/videos</a><br>ボクのツイッター<br><a href="https://twitter.com/retoro_V" target="_blank" rel="noopener nofollow">https://twitter.com/retoro_V</a><br>キャラデザイン<br>CaraCorn様