引用・参考文献<br><a href="https://maritime.org/doc/boforstm252/" target="_blank" rel="noopener nofollow">https://maritime.org/doc/boforstm252/</a><br><a href="https://www.warships.com.cn/navweaps/WNUS_4cm-56_mk12.htm" target="_blank" rel="noopener nofollow">https://www.warships.com.cn/navweaps/WNUS_4cm-56_mk12.htm</a><br><a href="http://www.navweaps.com/Weapons/index_weapons.php" target="_blank" rel="noopener nofollow">http://www.navweaps.com/Weapons/index_weapons.php</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