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NOAA divers survey reefs and habitats in the Mariana Islands

Two divers working on the sea floor

NOAA divers conducted numerous coral and seafloor habitat studies in the Mariana Islands as part of the Rainier Integrates Charting, Hydrography, And Reef Demographics, or RICHARD, mission supported by NOAA Ship Rainier in 2022. Learn more about the mission in this story map.