Two Niskin bottles (grey) attached to the side of ROV Jason. These bottles will close at the direction of the Jason and Science teams to collect samples from the ASHES hydrothermal field. Credit: Lacie Levy; V25.

“Mushroom” chimney in the ASHES hydrothermal field with OOI Cabled array monitoring instrument. Credit: UW/NSF-OOI/WHOI; V18.

ROV Jason tied down on deck of R/V Atlantis during transit. Credit: L. Levy; V25.

CTD Rosette tied down on deck of R/V Atlantis during transit. Credit: L. Levy; V25.

A chimney at the base of Mushroom venting 324°C fluid during a Jason survey to install a platform there. Credit: I. Paulsen, University of Washington; V25.

Refurbished high-definition camera being carried by Jason to be installed near the Mushroom vent. Credit: I. Paulsen, University of Washington; V25.

VISIONS'25 student Isabelle taking bacterial samples off the recovered high-definition video camera that was installed during VISIONS'24.. Credit: M. Elend, University of Washington; V25.

Jason coming out of the water after a nighttime dive. Credit: I. Paulsen, University of Washington; V25.

Inside the Jason van with a view from the SeaLogger station. Credit: I. Paulsen, University of Washington; V25.

Dinner from 08-06-2025, including tuna, baked potatoes, salad, cauliflower, and rice. Credit: I. Paulsen, University of Washington; V25

Part of Lacie’s laboratory setup, showing one peristaltic pump with a loaded sample run in triplicate. Credit: A. Paulik, University of Washington; V25.

The control van monitors as Jason approached the first vent - Inferno. Credit: A. Paulik, University of Washington; V25.

Shadows cast on the water from ominous clouds on the horizon, foreshadowing the poor weather we will soon be greeted with. Credit: A. Paulik, University of Washington; V25.

A dramatic sunrise over the oceanic horizon. Credit: A. Paulik, University of Washington; V25.

A CTD recovery paused just at the surface. Credit: A. Paulik, University of Washington; V25.

The control van in complete silence as critical operations are performed with both manipulators. Credit: A. Paulik, University of Washington; V25.

The kitchen after close. Credit: A. Shah, University of Washington; V25.

Squid swimming near Jason. Credit: UW/NSF-OOI/WHOI; J2-1703; V25.

Moon over the Axial Base site. Credit: A. Shah, University of Washington; V25.

Leg 1 VISIONS'25 students help cock Niskin bottles, reading the CTD for a cast at Axial Base. N. Vorobeyeva, University of Washington, V25.

Instrumented clean "science pod" (left) and instrumented stationary assembly (right) just after being turned. The 12 ft across platform at 200 m water depth is covered in life - it has been in the ocean since it was turned in 2019. Credit: UW/NSF-OOI/WHOI; J2-1704; V25.

Gazing at the seemingless endless horizon 300 miles offshore Newport. Credit: Y. An, University of Washington, V25.

Starboard deck of the R/V Atlantis on a grey day. Credit: Y. An, University of Washington, V25.

Say hi to my new friend; I’ve been giving it a lot of hugs lately. Credit: Y. An

I’m washing down the CTD, readying it for the next cast Credit: Y. An, University Washington, V25.

Inside the Jason control van during the Shallow Profiler dive. Credit: M. Elend, University Washington, V25.

Donning the emergency immersion suits. Credit: M. Elend, University of Washington, V25.