Summer1941:HitlerinvadestheSovietUnion.ConvoysofcargoshipswithwarmaterialsbegantheperilousjourneytoM[展开全部]
Summer1941:HitlerinvadestheSovietUnion.ConvoysofcargoshipswithwarmaterialsbegantheperilousjourneytoMurmansk,andordinarysailorsfacetheGermansuperiorityintheicyArcticsea,puttingtheirlivesatstake.[收起部分]