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Seconda Guerra Mondiale U-boat penna in Keroman III bunker, Lorient base sottomarina, Francia Foto stock - Alamy
![Ahoy - Mac's Web Log - The U-Boats pens in the Bay Of Biscay ports. Built after France collapses in June of 1940 Ahoy - Mac's Web Log - The U-Boats pens in the Bay Of Biscay ports. Built after France collapses in June of 1940](http://ahoy.tk-jk.net/Images10July22-2005/SubPens/StNazairePen.jpg)
Ahoy - Mac's Web Log - The U-Boats pens in the Bay Of Biscay ports. Built after France collapses in June of 1940
![U Boat Pens at St. Nazaire and Lorient - World War Two Cemeteries - A photographic guide to the cemeteries and memorials of WW2 U Boat Pens at St. Nazaire and Lorient - World War Two Cemeteries - A photographic guide to the cemeteries and memorials of WW2](https://www.ww2cemeteries.com/uploads/7/4/4/5/74452945/st-nazaire-uboat6_orig.jpg)
U Boat Pens at St. Nazaire and Lorient - World War Two Cemeteries - A photographic guide to the cemeteries and memorials of WW2
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