HSwMS Valen (1955)
HSwMS Valen , was the third Hajen-class submarine of the Swedish Navy.
Construction and career
HSwMS Valen was launched on 21 April 1955 by Karlskronavarvet, Karlskrona and commissioned on 4 March 1957.She was decommissioned on 1 July 1980 and later sold to West Germany for stationary trials in 1984.