An HPIES instrument is about to be released to free fall to the seafloor, where Jason will then cable it to the RCA. Credit. M. Elend, University of Washington, V21.

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The multibeam sonar system COVIS that images hydrothermal plumes installed in the ASHES hydrothermal field near teh hot vents Mushroom and Inferno. Credit: UW/NSF-OOI/WHOI;V19.

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A beautiful night onboard the R/V Atlantis. Credit: M. Elend, University of Washington, V19.

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A pom-pom anemone at Axial Base, moving around the legs of the HPIES instrument. Photo Credit: UW/NSF-OOI/WHOI; V19

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A Graneledone octopus peeking at Jason around the side of the Axial Base HPIES instrument. Photo Credit: UW/NSF-OOI/WHOI; V19

Surveying the HPIES deployment location at Axial Base during VISIONS'19. Photo credit: UW/NSF-OOI/WHOI; V19

A rattail fish swimming near the Axial Base junction boxes during a CTD deployment. Photo credit: UW/NSF-OOI/WHOI; V19

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Imaging healthy tubeworms on the hydrothermal chimney 'Inferno' as viewed Jason Control Van. Credit: Ramya Ravichandran Asha, University of Washington, V19.