This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP0006A conducted in 2000 (Chief Scientist: Dr. Wade Jeffrey). These data files are of MGDS:Nav format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project(s): Hazardous Waste Transport to Louisiana & Science of Opportunity cruise in support of BO-200-O, with funding provided by NSF grant OISE03-40764.