This data set was acquired with a Navigation system on the ROV Jason II during Melville expedition MGLN07MV conducted in 2006 (Chief Scientist: Dr. Charles Fisher; Investigator(s): Dr. Vicki Ferrini). These data files are of Text File (ASCII) format and include Navigation data and were processed after data collection. Data were acquired as part of the project(s): Collaborative Research: Site evaluations and background studies of interactions among fluid chemistry, physiology, and community ecology for Ridge 2000 Lau Basin Integrated Studies and Bacterial population structure: evaluating gene flow in the symbionts of deep-sea mussels, and funding was provided by NSF grant(s): OCE02-40896, OCE02-40982, OCE02-40985, OCE02-41250, and OCE04-53901.