ROPOS sampling tube worms at the Inferno hydrothermal vent. Credit: A. Sulc, University of Washington, V22.

ROPOS surfacing from a dive to the ASHES vent field Photo Credit: A. Sulc, University of Washington, V22.

Dolphins playing by the bow of R/V Thompson. Credit: J. Fernandez, University of Washington, V22.

Credit: A. Sulc, University of Washington, V22.

ROPOS manipulators unclipping the carabiner from the FETCH tether. Credit: A. Sulc, University of Washington, V22.

The Grenelodone octopus on the screen of the ROPOS control van. Credit: A. Sulc, University of Washington, V22.

An octopus species commonly found on RCA dives near Axial Seamount, Graneledone boreopacifica – spotted at eastern flank of Axial Caldera. Credit: UW/NSF-OOI/CSSF; V22.

HPIES - Horizontal Electric Field Pressure and Inverted Echo Sounder getting prepped for deployment with sunrise in the background. Credit: M. Elend, University of Washington, V22.

UW students on bridge tour of R/V Thomas G. Thompson, chief mate in center. Credit: M. White, University of Washington, V22.

Rat tail fish said hello. Credit: P. Correa, University of Washington, V22.

ROPOS back on deck at dusk. Credit: P. Correa, University of Washington, V22.

Swapping out the HPIES. Credit: UW/NSF-OOI/CSSF; Dive R2237: V22.

The view from my seat in the control room during a late-night shift. Credit: M. Dawson, University of Washington, V22.

A photo I took of the octopus while working in the main lab. Credit: M. Dawson, University of Washington, V22.

A CTD rosette being launched at Slope Base, ready to collect samples. Photo Credit: M. Elend, University of Washington, V22.

A Deep Profiler sensor installed to the cable during the visions 14 cruise. Photo Credit: Ed McNichol, © 2014 Mumbian Enterprises, Inc., University of Washington. V14.

ROPOS gets an eye patch. Credit: L. Combs, University of Washington, V22.

ROPOS returns from the deep. Credit: L. Combs, University of Washington, V22.

Octopus staring at the ROV - trying to understand this new sea creature. Credit: D. Mishra, University of Washington, V22

Huge V-16 engine working very hard to meet the ship’s needs. Credit:D. Mishra, University of Washington, V22.

V22 Students, Leg 3 working on collecting samples from CDT rosette. Credit: D. Mishra, University of Washington, V22.

Four dolphins of many, swimming toward the starboard side of the TGT in calm waters. Credit: C. Flaim, University of Washington, V22.

The two large tier 3, 16-cylinder, Caterpillar engines that power much of what happens aboard the TGT; two smaller 8-cylinder engines sit to the right of these under the board walk. Credit: C. Flaim, University of Washington, V22.

An explosion of light from the setting sun casting rays to the deep-maroon ocean surface. Credit: C. Flaim, University of Washington, v22.

Industrial-yellow ROPOS equipment directing your eye to the horizon. Credit: C. Flaim, University of Washington, v22.

The setting sun brightly illuminating sky and sea. Credit: C. Flaim, University of Washington, v22.

View of the fog. Credit: A. Jorgenson, University of Washington, V22.