Marinemuseum Den Helder, Netherlands 11-1-2018
Hr.Ms. Friesland destroyers/submarine chaser
Dutch 3-cylinder submarine Hr.Ms. Tonijn
The Mk20 was a British battery powered torpedo fitted out with a passive acoustic target search system and between 1961-1972 used for the Dutch submarines and experimental on board of the Dutch Friesland-class of destroyers/submarine chasers.
The Mk 37 mod 2 was a wire guided torpedo powered by an Otto fuelled combustion engine and between 1960-1995 used for the Dutch Dolfijn, Potvis and Zwaardvls submarine classes.
The Mk9 was an unguided burner cycle combustion engine powered topedoe and used between 1942-1961 on board of Dutch destroyers.
