U-174 under Wolfgang Grandefeld patrolled New England for 5 days April 1943, was sunk off Nova Scotia a day later October 22, 2015March 7, 2017 Updated October 22, 2015by Eric Wiberg
U-171 under Günther Pfeffer July 1942 Bahamas patrol April 25, 2014March 7, 2017 Updated April 25, 2014by Eric Wiberg
U-170 under Günther Pfeffer March 1944 Bahamas patrol April 25, 2014March 7, 2017 Updated April 25, 2014by Eric Wiberg
U-171 under Günther Pfeffer Bermuda patrol July 1942 April 20, 2014March 7, 2017 Updated April 20, 2014by Eric Wiberg
U-170 under Günther Pfeffer Bermuda patrol March 1944 April 20, 2014March 7, 2017 Updated April 20, 2014by Eric Wiberg
