Thực đơn
USS_Grouper_(SS-214)Thực đơn
USS_Grouper_(SS-214)Liên quan
USS Guardfish (SS-217) USS Greenling (SS-213) USS Gerald R. Ford (CVN-78) USS Gato (SS-212) USS Growler (SS-215) USS Guavina (SS-362) USS Grouper (SS-214) USS Guitarro (SS-363) USS Gunnel (SS-253) USS Gurke (DD-783)Tài liệu tham khảo
WikiPedia: USS_Grouper_(SS-214) http://www.lisbonmaru.com http://hazegray.org/danfs/submar/ss214.txt http://www.ibiblio.org/hyperwar/Japan/IJN/JANAC-Lo... http://www.navsource.org/archives/08/08214.htm https://www.history.navy.mil/research/histories/sh... https://uboat.net/allies/warships/ship/2960.html