A close-up of the U-166 'wintergarten,' with its 20mm anti-aircraft gun.
U-166 Wintergarten
Image courtesy of Deepwater Canyons 2012 Expedition, NOAA-OER/BOEM. Download image (jpg, 87 KB).

A close-up of the U-166 "wintergarten," with its 20mm anti-aircraft gun.

Learn more