[The Three Blockships shortly after the Attack]

[Intrepid and Iphigenia]

[The Western Side of the Blocked Channel]

[The Eastern Side of the Blocked Channel]

[H.M.S. Vindictive at Dover after the Attack]

[H.M.S. Vindictive on her Return to Dover]

MAPS AND PLANS

[Chart showing the Relative Positions of Dover, Zeebrugge, Heligoland, and the Exits from the North Sea]

[The Canal System of Belgium]

[The Port of Zeebrugge]