Cika wannan jumla: An jinkirta ginin ta hanyar
Jamus ta mamaye Denmark a 1940, tare da jiragen ruwa ba a kafa su ba har zuwa 3 Yuli 1942. An kaddamar da su a 1943, amma lokacin da Jamus ta rushe gwamnatin Denmark a ranar 29 ga Agusta 1943, ba ta yi ƙoƙari ta kammala jiragen ruwa ba. An sake fara aiki bayan da aka 'yantar da Denmark, kuma an kammala jiragen ruwa biyu a 1947.