Hi
That, what Tore said confused me much. Indeed, this photo looks like trainer. The other possibilities:
- take a look at the left torpedo tube breech door labeled with "II". It indicates, that it would be forward tube with bottom tubes removed, but compare with attached picture (U-80 with two tubes removed).
- it could be the aft torpedo room of the type X B boats - these boats had only two torpedo tubes. Only two of these boats survived war: U-219 sunk by gunfire from the Royal Netherlands Navy destroyer HNMS Kortenaer (ex-HMS Scorpion) south of the Sunda Strait, between Java and Sumatra, on 3 February 1946, and U-234, sunk by a torpedo from USS Greenfish during trials approximately 40 miles north-east off Cape Cod, on the US east coast on 20 November, 1947.
I still think, that most likely discussed photo presents trainer, but the uniforms of those guys...
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Regards
Maciek