Related Clues:
- Trouble about submarine threatening HMS Marlborough
- Missile dropped regularly during trouble
- Drink at party, swallowing last of mother's ruin
- Ray creating fuss about standard pronunciation given to English
- Explosive hill training party
- Ray opted out, or in?
- Forbidden to accept nothing, after raising sub
- On reflection, sort of cross that pupil no longer opens vessel
- Vessel about to be destroyed
- Battle of the Atlantic participant
- Threat to a WWII destroyer
- Depth-charge target
- Underwater projectile
- WWII sea threat
- German WWII submarine