U-552 under ace Erich Topp patrolled New England 6 days in March 1942, sank no ships there October 5, 2015March 7, 2017 Updated October 5, 2015by Eric Wiberg
U-201 Bahamas patrol April 1942: sank Derryheen & San Jacinto under Ali Schnee August 3, 2013March 7, 2017 Updated August 3, 2013by Eric Wiberg