The gun carriage, which can be seen in this photograph of the Monitor's turret , had not been seen in almost 140 years. Photo courtesy of Monitor Expedition 2002, U.S. Navy, NOAA/OER.
The gun carriage, which can be seen in this photograph of the Monitor's turret , had not been seen in almost 140 years. Photo courtesy of Monitor Expedition 2002, U.S. Navy, NOAA/OER.