Sonar visualization of the U-701 wreck site. Image ADUS, NOAA Posted on December 11, 2017 by laststandonzombieisland Leave a comment Sonar visualization of the U-701 wreck site. Image ADUS, NOAA Previous Next Return to Warship Wednesday, Nov. 29, 2017: The bruised-up U-boat bruiser of the Outer Banks