Video : Huge convoy losses in mid-Atlantic

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Losses of merchant ships (blue) and U-boats (red) in 1941

Credit

| Artist: Sémhur (vectorization) Incnis Mrsi (tweaks) | Credit: This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: removing the legend, cropping, one English inscription. The original can be viewed here: The battle of the Atlantic 1941 map-fr.svg: . Modifications made by Incnis Mrsi.   | Creative Commons License: https://creativecommons.org/licenses/by-sa/4.0

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