 Olaf Kullmann and Erik Anker Steen had contributed to the "civil guard" concept with advice from a naval perspective.All three "Trygg" vessels were lost during the Second World War, one while in Norwegian service and two after having been pressed into service as Torpedoboot Ausland by their German captors.The German names for "Trygg" and "Snøgg" were basically word play, especially when seen together