This area saw some of the biggest convoy battles of the U-boat war, several convoy routes passed right through this area, or just to the southwest of it.
80 German U-boats lost in the area during the war.
The approximate route of the North Atlantic convoys (HX, ON, SC, ...) is shown in red on the map. Since the Allies often re-routed the convoys away from awaiting German Wolfpacks the line is only a rough indicator.
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