Grey Wolf Grey Sea Author:E. B. Gasaway The history of one of World War II's most successful submarines, U-124, is chronicled in GREY WOLF, GREY SEA, from its few defeats to a legion of victories. Kapitanleutnant Jochen Mohr commanded his German submarine and navigated it through the treacherous waters of one of the most destructive, savage wars the world has known. In her short life,... more » 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 World War II.