U-458 under Kurt Diggins, patrolled New England 4 days, survived Admiral Graf Spee & WWII to 2007 October 21, 2015March 7, 2017 Updated October 21, 2015by Eric Wiberg
U-96 under Lehmann-Willenbrock patrolled New England 9 days with no targets in Feb/March 1942 October 2, 2015March 7, 2017 Updated October 2, 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