Rubuta ci gaba don wannan sakin layi - A shekara ta 1939 Blue Star Line ta yi amfani da jiragen ruwa 39, dukkansu sun ba da sabis na Yaƙin Duniya na Biyu. A cikin 1940 an kama wani jirgin ruwa mai suna "Imperial Star" wanda Burmeister &amp; Wain ya gina a Denmark a cikin mamayewar Jamus na Denmark
da kuma kammala a matsayin "Kriegsmarine" jirgin ruwa na jirgin ruwa.