Wartime propaganda piece reporting on the success of the economic blockade of Germany in the early years of the war.
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Made with the co-operation of The Ministry of Economic Warfare, The Royal Navy and the RAF. See more
Opening credits prologue: The producers gratefully acknowledge the services rendered by the artistes appearing in this film... and by the following members of His Majesty's Government See more
Featured in Forever Ealing
Arranged by Ernest Irving See more