-lots more info on the books thru their links
Hitler's Gateway to the Atlantic: German Naval Bases in France 1940–1945
Written by Lars Hellwinkel, this book delves into the strategic importance of German naval bases in France, including detailed accounts of U-Boat operations and the construction of submarine pens.
https://www.amazon.com/Hitlers-Gatew...ce=chatgpt.com
Building for Battle: U-Boat Pens of the Atlantic Battle
Authored by Philip Kaplan, this book offers an overview of the massive U-Boat pens built during the Atlantic campaign, discussing their construction, strategic significance, and the challenges faced during their development.
https://navyhistory.org/2019/09/buil...ce=chatgpt.com