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This full-sized Junction Box frame was sucessfully deloyed and recovered in the International District Hydrothermal Field at Axial Seamount using the ROV ROPOS during the August 2011 VISIONS '11 expedition. During the VISIONS'13 cruise two fully built out medium-power J-Boxes will be deployed here that will provide power and communications to extension cables and sensors deployed at the vent sites. The sensors will include a digital still camera, mass spectrometer, fluid and DNA samplers, bottom pressure and tilt sensor, a temperature-chlorinity probe to measure boiling fluids exiting the vents, and a short-period seismometer.