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The goal of the project was to document the archaeological and microbiological aspects of the U-boat site using state of the art positioning systems, digital still and video imagery, and limited microbiological experiments. During the project archaeologists from C & C Technologies, NOAA, and the MMS documented approximately 300 individual artifacts or groups of artifacts on the site. Over fifty hours of video and 1800 still photographs were taken. A photograph and position was recorded for each artifact. The Microbiology assessment was conducted by the Canadian firm, Droycon Bioconcepts, who have also worked at the shipwrecks RMS Titanic, DMK Bismarck, and RMS Britannic.
The project utilized a Sonsub Innovator ROV for the project on board the NOAA Research Vessel Ronald H. Brown. A survey team from C & C Technologies, Inc. tracked the ROV acoustically by using a Long Base Line (LBL) positioning array of 5 transponders set on the seafloor in conjunction with their C-NavÂ® global positioning system (GPS). The accuracy achieved during the survey provided as little as six centimeters of horizontal deviation for the position of the ROV.
The team also investigated the shipwreck site, SS Robert E. Lee. This passenger freighter was the last victim of the U-166 and lies on the seafloor within a mile of the U-boat. The team paused from their work to conduct a wreath-laying ceremony at the sites of the two vessels to honor those lost sixty-one years ago on that tragic page of history.
In addition to the ROV investigation, C & C's R/V Rig Supporter arrived at the site and conducted an AUV survey of the shipwrecks to support the project. The 2003 U-166 project represents the deepest comprehensive archaeological survey conducted in the Gulf of Mexico to date. The success of this project is a fine example of the cooperative efforts of the government working together with industry experts to study and preserve our maritime heritage.
A presentation on the techniques and preliminary findings of the project are planned for the 2004 Society for Historical Archaeology (SHA) Conference in St. Louis and Underwater Intervention (UI) Conference in New Orleans. The History Channel's "Deep Sea Detective Series" documentary is scheduled to air in April 2004.