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Keywords from Image Description:
Zwaardvisclass submarines. HNLMS Zwaardvis front and HNLMS Tijgerhaai the two submarines of the Dutch Zwaarvis class submarines Hr Ms Zwaardvis voorgrond en Hr Ms Tijgerhaai de twee Nederlandse onderzeeboten van de Zwaardvisklasse defensie nl Ministerie van Defensie mindef Zwaardvis class submarines ccsa nl