VOYAGE_ID 	A text file containing the ship's voyage identifier

doc		Metadata documentation for the voyage including the voyage.metadata,  instrument.metadata, 

		permits, ship drawings        

shiptrack 	kml file of voyage track and a gmt.xy file with time stamped lat and lon of voyage track

underway	Underway data collected during the voyage, including meteorological and navigation log files.

underway/doc	Underway instrument metadata and calibration sheets

underway/proc 	CSV files of underway data