VISIONS'25 grad student participant Lacie Levy stabilizing a water-sampling Niskin bottle with a hug. Credit: M. Elend, University of Washington, V25.

VISIONS'25 students preparing for water sample processing in the lab of the R/V Atlantis. Credit: M. Elend, University of Washington, V25.

The base of a CTD instrument tripod, at the ASHES vent field in Axial Caldera. The tripod sits next to some juvenile tube worms growing out of cracks in the basalt, where diffuse hydrothermal fluids mix with the seawater and feed the chemosynthetic symbionts that provide energy to the worms. Credit: NSF-OOI/UW/WHOI; J2-1708; V25

A Scotoplanes sea cucumber (also known as a sea pig) at Axial Base, surrounded by brittle stars and other seafloor organisms. Credit: NSF-OOI/UW/WHOI; J2-1706; V25

The Axial Base medium-power junction box MJ03A prior to being swapped, covered in flytrap anemones and other organisms. Credit: NSF-OOI/UW/WHOI; J2-1705; V25

Laundry room of the R/V Atlantis

Osmotic water sampler on deck for colony samples. Credit: N. Liew, Queens College, V25

Osmotic water sampler on the seafloor during JASON dive as seen inside JASON control van. Credit: N. Liew, Queens College, V25

Nicole's styrofoam cup before and after it went down ~2600 m to the seafloor. Credit: N. Liew, Queens College, V25.

Figure 1: View of hydrothermal vents from Jason control van. Credit: M. Gonzalez, Western Washington University; V25.

Size comparison of a sytrofoam cup and one that when down 2600 meters. Credit: M. Gonzalez, Western Washington University; V25.

View out the small window of the analytics lab on the R/V Atlantis. Credit: I. Paulsen, University of Washington; V25.

Jason during its 2900 m ascent on August 6th after completing its recovery/replacement of the HPIES instrument. Credit: UW/NSF-OOI/WHOI; J2-1701; V25.

The lab setup for Winkler titrations being performed by Co-chief scientist Mariela White. Credit: I. Paulsen, University of Washington; V25.

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.