U-332 under Liebe, patrolled south of Long Island, Block Island, Martha’s Vineyard 11 days, June 1942 sank no ships there October 19, 2015March 7, 2017 Updated October 19, 2015by Eric Wiberg
U-156 under Werner Hartenstein attacked Feb. 1942, sank Oregon and MacGregor north of Greater Antilles July 13, 2013March 7, 2017 Updated July 13, 2013by Eric Wiberg