U-588 under Victor Vogel, patrolled New England 4 days March 1942 no ships sunk there October 4, 2015March 7, 2017 Updated October 4, 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
U-654 under Forster, 5-day incursion into New England, no ships sunk there September 27, 2015March 7, 2017 Updated September 27, 2015by Eric Wiberg