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The R/V Thomas G. Thompson on station at Axial Seamount, ready to recover Jason from the last dive of Enlighten '10. 

The bow of University of Washington's R/V Thomas G. Thompson.

Jason is recovered from the last dive of Enlighten '10, J2-519.

Medea is recovered from the last dive of Enlighten '10, J2-519. 

Members of leg 2 of Enlighten '10. 

Captain John's view of the last sunset on station. 

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Tim Crone gives the VentCam a fresh water rinse after it was recovered from the seafloor. 

Giora hooks the floats that were attached to the VentCam with Jason. Once the floats were attached, the VentCam ascended to the surface and the ship moved to their location for recovery. 

A frozen lava bridge spans collapse zones in what was once a molten lava lake northwest of the vent field known as the International District. Credit: UW/NSF-OOI/CSSF; V10.

Sulfide worms wave in hot hydrothermal fluids near the top of the 17 m-tall chimney called El Guapo.

A calm, sunny day provided an optimal opportunity for conversion of Jason for drilling operations. The sampling sled was decoupled from the vehicle and the drill sled was reattached.

Monica Kerr-Riess, a graduate student at the University of Washington, examines a sample of a black smoker recovered from the ASHES Hydrothermal Field. Onshore she will look at the genetic signature of the microorganisms to examine their diversity.

Monica, a UW graduate student, removes a sulfide sample from Jason's biobox. Photo by Carlos Sanchez

Feathery blue cilliates thrive in a diffuse flow site at the base of the hydrothermal chimney "Escargot" in the International District hydrothermal field. Also visible in the background are limpets and snails and a red scale worm.

Co-chief scientist, John Delaney, inspects rock samples brought up from dive J2-516. Photo by Carlos Sanchez

Monica Kerr-Riess measures the diameter of a sulfide sample collected during dive J2-516 that she will use as part of her MS research. Photo by Carlos Sanchez

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Tim and Hugo prepare the VentCam for deployment. Photo by Carlos Sanchez

Tim Crone (standing on the Jason elevator) prepares his camera to be launched. The camera was deployed during J2-516 next to a hydrothermal vent in ASHES. The camera will be left on site for a few days and will be used to determine the flow rate of the vent it is aimed at. Photo by Carlos Sanchez

Lim Yih En decorates a Styrofoam cup to send down on a CTD cast. As pressure increases with depth, the cups shrink. Photo by Carlos Sanchez 

Carla models shrunken Styrofoam heads that were decorated and then sent down to ~2500 meters depth during a CTD cast. Photo by Carlos Sanchez

Bob Morris, a UW faculty member, gives a talk about microbial oceanography and his research. Photo by Katherine Turner

Casey Agee of the Jason team secures the ROV to the drill sled. Photo by Carlos Sanchez

The Jason crew lowers Jason on to the drill sled that will be used to drill into a black smoker. Sensors will be placed into these drill holes in order to monitor temperature of the system and microbial communities within the walls of the vent. Photo by Carlos Sanchez

Joe Butler packs rock samples from Jason dive J2-515 that will be taken back to ASU for microbiology analyses. Photo by Carlos Sanchez and Katherine Turner