U-161 under Albrecht Achilles patrolled New England 33 days in April/May 1943, sank only the schooner Angelus October 22, 2015March 7, 2017 Updated October 22, 2015by Eric Wiberg
U-107 under Harald Gelhaus spend 6 unproductive days on southern cusp of New England waters in Jan & Feb 1942 September 27, 2015March 7, 2017 Updated September 27, 2015by Eric Wiberg