Type u boat July 8, 2019 16 32 64 128 Type xxi u boat Type 21 u boat Type vii u boat Type ix u boat Type 7 u boat Type xxiii u boat Type ii u boat Type xi u boat U boat type 23 Type ixc u boat Type xx1 u boat Type 7c u boat Type xiv u boat Type 2 u boat Type 9c u boat
