HSwMS Valen (1925)
Minelayer Submersible (1925-44) HSwMS Valen (1925) was a unique boat in class, and only minelayer submarine of Sweden when WW2 broke out, but she was a prioneer leading to the construction of six more during the war. She was based on the Bävern design, that is, based in turn on the German WWI UB-III design. … Read more