Why was HMS Zubian created, and what legacy did it leave?
Short answerIt was an emergency expedient whose unexpected appearance reinforced German fears that Britain had secret shipyards and unknown warships.
NotesHMS Zubian was an emergency expedient, with no enthusiasm here for repeating the exercise. Its unexpected appearance is credited with confusing German naval intelligence and undermining confidence in existing lists of British warships. The resulting suspicion was that Britain had secret shipyards. In this account, that belief persisted into the Second World War.