A large riveted piece of metal shipwreck hull embedded in the sandy deep-sea floor.
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USS Nevada Main Deck
Section of USS Nevada’s steel main deck seen during Dive 06 of the 2025 ROV and Mapping Shakedown expedition. This image shows the rivets on the outer hull, which were very characteristic of ship construction during Nevada’s era.
Credit

NOAA Ocean Exploration, 2025 Beyond the Blue