引用・参考資料等<br><a href="https://www.quora.com/When-did-naval-ships-start-having-helicopter-pads-How-long-did-it-take-the-US-Navy-to-change-all-their-ships-and-have-helicopter-pads" target="_blank" rel="noopener nofollow">https://www.quora.com/When-did-naval-ships-start-having-helicopter-pads-How-long-did-it-take-the-US-Navy-to-change-all-their-ships-and-have-helicopter-pads</a><br><a href="https://www.quora.com/unanswered/What-year-did-the-US-Navy-start-using-helicopters-on-ships" target="_blank" rel="noopener nofollow">https://www.quora.com/unanswered/What-year-did-the-US-Navy-start-using-helicopters-on-ships</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