Based upon photos taken by the artist in 2003 of the
Type XXI U-boat Wilhelm Bauer that is currently a museum boat in
The type XXIs were true
submarines, designed for life beneath the water, as opposed their
predecessors which were really submersibles.
This new technology was
intended to change the course of WW2 but it was introduced too late with
only 2 boats actually conducting a war patrol out of the 120 Type XXI
U-boats eventually constructed.