Classical U-boat pens in wartime. Note Type IIC U-boats anchored outside the pens. A section of Albert Speer's Atlantic Wall can be seen in the background (centre). An Allied air raid is in progress after John Flaxman
Finlay, Ian Hamilton.
Flaxman, John,1755-1826.
Hincks, Gary.
[Dunsyre] Wild Hawthorn Press
[1982]