OPをさらに増やしてみた！引用・参考資料等 http://www.navweaps.com/Weapons/WTUS_WWII.phphttps://www.quora.com/Why-were-the-torpedoes-on-torpedo-bombers-slantedhttp://pwencycl.kgbudge.com/S/b/SB2C_Helldiver.htm
http://www.nicovideo.jp/watch/sm43854187
