2021 2022-08-22 04:18:46 May 2026

: Underwater depressions that act as unique biodiversity hotspots.

This appears to be a specific timestamped request referring to the expedition led by NOAA Ocean Exploration. The expedition focused on mapping and using Remotely Operated Vehicles (ROVs) to explore the deep-sea habitats off the Southeast U.S. continental margin. Windows to the Deep 2021 Highlights 2021 2022-08-22 04:18:46

: Investigation of Unidentified Cultural Heritage (UCH) targets to determine if they were historic shipwrecks. : Underwater depressions that act as unique biodiversity