Dahl’s dolphins from the deck of the R/V Thompson. Credit: G. Diephuis, University of Washington, V22.

ROPOS control room seeing the old LV01B secondary node on the screen. Credit: G. Diephuis, University of Washington, V22.

Shrunken cup from ~2900 m vs. normal cup of original size. Credit: A. Rose, University of Washington; V22.

ROPOS adjusting a cable with a sea star on it. Credit: UW/NSF-OOI/CSSF; V22.

The “guts” of ROPOS. Credit: A.Rashid, University of Washington, V22

Pacific White-Sided dolphins. Credit: A. Rashid, University of Washington, V22.

Thompson at Port in Newport, Oregon. Credit: A. Rashid, University of Washington, V22.

Styrofoam cups that shrank at the pressure of 2900 m depth. Slope Base, Oregon. Credit: A. Rashid, University of Washington, V22.

Sampling ocean water for salinity measurements from the rosette. Credit: A. Rashid, University of Washington, V22.

Sampling the deep sea rocks in the wet lab! A.Rashid, University of Washington, V22

The CAT flow meter. A.Rashid, University of Washington, V22.

The bridge of the Thompsonat 5:36 am, Credit: A. Shah, University of Washington, V22.

View from the Dive control room for ROPOS, Credit: A.Shah, University of Washington, V22.

An automatic titration machine used for oxygen titrations. A. Rose, University of University, V22.

Front view of ROPOS; showing large Zuess Plus camera and platform with bio box. Credit: J. Pineda, University of Washington; V22.

Figure1

View from second level deck, looking over walkway toward the fantail of the Thompson. Credit: J. Pineda, University of Washington; V22.

View off the starboard side deck ot the R/V Thompson, docked at Newport. Credit: J. Pineda, University of Washington; V22.

An unfortunate passenger from a recovered piece of equipment. Credit: Y., University of Washington, V22.

ROPOS about to be deployed. Credit: Y. Pinto, University of Washington, V22.

The BEP we recovered, covered in worm tunnels and young barnacles. Credit: Y., University of Washington, V22.

A better look inside the CAT. Here you can see the two pumps that live inside of it. Credit: Y. Pinto, University of Washington, V22.

The CAT, after being removed from its metal frame (not pictured), emptied of internals. Two coils of thin, clear plastic tubing also not pictured. Credit: Y. Pinto, University of Washington, V22

Seismometer strapped to a platform, ready for ROPOS to grab it. Credit: Y. Pinto, University of Washington, V22.

Methane bubble plumes spotted on the Thompson's hull-mounted multi-beam plume survey at Southern Hydrate Ridge. Credit: N. Wu, University of Washington, V22.

A wall of mysterious fog ahead as we stand at the bow, heading to a new adventure. Credit: N. Wu, University of Washington, V22.

Yoav Pinto strutting on the dock after his van got to the boat faster than Mike’s van even though he left later. Credit: N. Wu, University of Washington, V22