The "Spider," which will lift the Monitor's turret from the ocean floor, is lowered into the water from the derrick barge Wotan. Photo courtesy of Monitor Expedition 2002, U.S. Navy, NOAA/OER.
The "Spider," which will lift the Monitor's turret from the ocean floor, is lowered into the water from the derrick barge Wotan. Photo courtesy of Monitor Expedition 2002, U.S. Navy, NOAA/OER.