The Dutch invested in reliable long-range submarines for colonial service. German firms and personnel participated in that technical ecosystem, but Dutch designers and engineers were not merely fronts for German work. German investment gave firms access to Dutch expertise while Versailles constrained open German submarine development. This exchange helped preserve knowledge that later informed German electronics, snorkels, and U-boat development.
Notable Point · 1:43:24-1:47:36
Dutch expertise and German submarine development
Dutch long-range submarine engineering helped sustain German design knowledge between the wars.