NOAA Divers guide the sub-bottom profiler around the Monitor's turret. The profiler allowed researchers to view objects buried in sediment. Image courtesy of Monitor 2001, Monitor collection, NOAA/OER.
NOAA Divers guide the sub-bottom profiler around the Monitor's turret. The profiler allowed researchers to view objects buried in sediment. Image courtesy of Monitor 2001, Monitor collection, NOAA/OER.