A NSF-funded CTD is reinstalled in the ASHES vent field as part of an award to Dr. Bill Chadwick (OSU). Credit: UW/NSF-OOI/OSU/WHOI. V20.

The summit of the active hydrothermal chimney is covered in a dense community of tubeworms, palm and scale worms, blue ciliates and white filamentous bacteria. Credit: UW/NSF-OOI/WHOI.V20

The cabled high definition camera reinstalled at the base of the Mushroom vent during VISIONS'20. Credit: UW/NSF-OOI/WHOI.20.

Small chimlets sprout from the top of Mushroom, covered in blue ciliates, palm and tubeworms and limpets. Credit: UW/NSF-OOI/WHOI. V20.

Millions of limpets surround palm worms thriving on the actively venting structure "Mushroom". Credit: UW/NSF-OOI/WHOI: V20.

Beauitful lavender-blue protists thrive at the base of the active chimney 'Mushroom'. Credit: UW/NSF-OOI/WHOI. V20.

The base of the actively venting structure 'Mushroom' is covered with tubeworms, blue ciliates, limpets and filamentous bacteria. Credit: UNW/NSF-OOI/WHOI. V20.

A HPIES instrument is about to be released to free fall to the seafloor 2600 m below at the base of Axial Seamount. Credit: University of Washington.

A HPIES instrument is about to go over the side of the R/V Thompson for installation at the base of Axial Seamount. Credit: University of Washington, V20.

The Deep Profiler vehicle is launched with Jason for installation on the mooring at Axial Base. Credit: University of Washington, V20.

An RCA Deep Profiler vehicle is latched into the clamshell on Jason for installation and Axial Base. Credit: University of Washington. V20

The ROV Jason rises from the deep after diving in the International District Hydrothermal Field. Credit: University of Washington.

Queens College student Steve Karaduzovic samples deep ocean water collected from the base of Axial Seamount during VISIONS'20. Credit: University of Washington.

Ian and Steve sample ocean water collected from the base of Axial Seamount during VISIONS'20. Credit: University of Washington.

A spider crab walks across a lava flow at the summit of Axial Seamount. Credit: UW/NSF-OOI/WHOI:V20

The small vent site "El Gordo" sprouting actively venting chimneys in the International District vent field. Credit: UW/NSF-OOI/WHOI:V20.

A sculpin aka 'blobfish' comes out to greet the ROV at 5000 ft down on the summit of Axial Seamount. Credit: UW/NSF-OOI/WHOI; V20.

A cluster of healthy tube worms enclosed by limpets thrive in the International District. The tube worms lack a gut, anus, or mouth, but host endosymbionts that provide their energy. Credit: UW/NSF-OOI/WHOI V20.

The and anhydrite-rich chimlet "Castle" rises from the seafloor. Credit: UW/NSF-OOI/WHOI:V20.

A temperature-resistivity probe is encased in the venting sulfide-anhydrite-rich chimlet on the side of Escargot. Credit. UW/NSF-OOI/WHOI. V20

The digital still camera at the Tiny Village site is covered in filamentous bacteria after a year-long deployment. Credit: UW/NSF-OOI/WHOI. V20.

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Jason begins its descent to the seafloor (Dive J1261) at Axial Base during VISIONS'20. The 'undervator 'is carrying a suite of instruments for deployment. Credit: UW/NSF-OOI/WHOI V20.

APL engineer, Trina Litchendorf, works on a digital still camera onboard the R/V Thompson during the VISIONS'20 expedition. Credit: University of Washington.

Jason rises from dive J2-1262 with the HD camera secured in the undervator. Credit: UW/NSF-OOI/WHOI. V20

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A blob sculpin (Psychrolutes sp.) aka blobfish, at International District on Axial Seamount during VISIONS'20. Credit: UW/NSF-OOI/WHOI V20.