Between May 25 and June 1, 2013, NOAA’s Monitor National Marine Sanctuary collaborated with the Battle of the Atlantic Research and Expedition Group to survey the wreck of the Ashkhabad, a Soviet tanker sunk in 1942 by the German submarine U-402. Over this 8-day period, 17 divers spent over 270 hours underwater, mapping the roughly 400-foot-by-150-foot debris field, all that currently remains of the vessel. This presentation outlines the methodology undertaken by the group, the challenges encountered in conducting the survey, and the key archaeological findings from the project. Finally, one of the more significant products resulting from the survey – a map of the Ashkhabad archaeological site is examined and discussed from the overall context of the sport diving and maritime archaeological perspectives and the Battle of the Atlantic maritime campaigns. Presenter: Joe Hoyt, Maritime Archaeologist with NOAA's Monitor National Marine Sanctuary Original Broadcast Date: October 8, 2015