61 years ago today, on 14 June 1965 Dutch Potvis-class submarine HNLMS Tonijn (S805) was christened and launched by Mrs. de Booy-Valk, wife of Vice Admiral J.M. de Booy at Wilton-Fijenoord, Schiedam Netherlands.
MuseumShip at Marinemuseum, Den Helder, Netherlands
