Kammala wannan jumla: A watan Afrilu na 1940, Jamus ta mamaye Norway don samun tushe don hare-haren jiragen ruwa a Arewacin Atlantic, da kuma tabbatar da jigilar baƙin ƙarfe daga Sweden ta tashar Narvik. Kodayake jiragen ruwa da aka yi amfani da su ba a kaddamar da su daga Basis Nord ba, jirgin ruwa mai suna "Jan Wellem", yana da muhimmanci ga
An aika da ayyukan Narvik daga Base Nord. Babu jiragen ruwa na Jamus ko jiragen ruwa na ruwa da aka ba su daga Basis Nord.