Remotely operated vehicle Deep Discoverer during launch from NOAA Ship Okeanos Explorer for its daily dive to explore the deep sea.
D2 Launch
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas. Download larger version (jpg, 977 KB).

Deep Discoverer during launch from NOAA Ship Okeanos Explorer for its daily dive to explore the deep sea.

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