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-87 under Joachim Berger patrolled New England 14 days, mined Boston Harbor, sank 2 ships there in June 1942 October 19, 2015March 7, 2017 Updated October 19, 2015by Eric Wiberg