grey wolfgrey sea Author:e.b. gasaway This is the story of the German submarine U-124 and her celebrated commander, Kapitanleutant Jochen Mohr. In her short life, Mohr's U-124 sank 49 ships for a total of 226,949 tons to become the third most successful of all the hundreds of Axis and Allied submarines which fought in the World War II. With 8 pages of photographs.