U-1228 under Friedrich-Wilhelm Marienfeld surrendered in NH 17 May 1945, sunk 37nm NE of Provincetown Mass. October 25, 2015March 7, 2017 Updated October 25, 2015by Eric Wiberg
U-608 under Rolf Struckmeier patrolled New England 8 days November 1942, mined New York Harbor October 22, 2015March 7, 2017 Updated October 22, 2015by Eric Wiberg