Answer: torpedoed

AnswerCrossword Clue
TORPEDOEDFate of the Royal Oak.
TORPEDOEDDestroyed a destroyer
torpedoedTORPEDO, to attack with an underwater missile
torpedoedDestroy or ruin (a plan or project)
torpedoedAttack or sink (a ship) with a torpedo or torpedoes