Thực đơn
USS_Otter_(DE-210)Thực đơn
USS_Otter_(DE-210)Liên quan
USS Oriskany (CV-34) USS O'Flaherty (DE-340) USS Oberrender (DE-344) USS Oliver Mitchell (DE-417) USS Oklahoma City (CLG-5) USS Orleck (DD-886) USS Oakland (CL-95) USS O'Bannon (DD-450) USS Oklahoma (BB-37) USS Ozbourn (DD-846)Tài liệu tham khảo
WikiPedia: USS_Otter_(DE-210) http://uboat.net/allies/warships/ship/1420.html http://www.navsource.org/archives/06/210.htm //tools.wmflabs.org/geohack/geohack.php?language=v... https://www.history.navy.mil/content/history/nhhc/... https://uboat.net/boats/successes/u546.html https://uboat.net/boats/u546.html https://www.navsource.org/archives/06/210.htm https://commons.wikimedia.org/wiki/Category:USS_Ot...