Related Clues:

• Forbidden to accept nothing, after raising sub
• On reflection, sort of cross that pupil no longer opens vessel
• Vessel about to be destroyed
• Phoney monarch posed with an unknown
• Substitute needed by keepers at zoo
• Keepers at zoo not all present? True and false
• Fake tears when dancing waltz, Disney censored
• Battle of the Atlantic participant
• Threat to a WWII destroyer
• Depth-charge target
• WWII sea threat
• German WWII submarine
• Avoider of charges?
• Substitute, fake
• Turnabout in the vessel