Hi,
1) U-391, Commissioning.
Note; the little vents below the CT. Never seen this on a Type VII.
2) U-391, UAK trials.
And this is the boat I am working on. Same little vents like on U-391.
I think the location is Sonderburg, Denmark.
3) U-Who, not archived.
The little vents.
My best regards,
Ron.