Thực đơn
USS Grouper (SS-214)Thực đơn
USS Grouper (SS-214)Liên quan
USS USS Missouri (BB-63) USS Arizona (BB-39) USS Nevada (BB-36) USS Enterprise (CVN-65) USS Iowa (BB-61) USS Samuel B. Roberts (DE-413) USS Enterprise (CV-6) USS Indianapolis (CA-35) USS Forrestal (CV-59)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