Crossword clues for WWII sub 5 lettersAnswerClueUBOATDangerous WWII subUBOATGerman WWII subUBOATWWII subUBOATWeaponized sub of WWIIUBOATWWII enemy subUBOATWWII German subUBOATSub in WWIIUBOATDangerous sub of WWIIUBOATSWWII subsSAMESighted sub, sank ___ (WWII message)SAMESighted sub, sank __: WWII message