Hajen class Submersible (1917)
Swedish Submersibles 1916-1946: HSwMS Hajen, Sälen, Valrossen New Cycle: Swedish WW2 and Cold War submarines. We start with the oldest still in service when WW2 broke out, the Hajen class. They were essentially based on the German Type UB-III U-boat but modified for Swedish service by Kockums, with the stern tube removed, and the prow … Read more