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![Captain Theberge and Lt theb2847.jpg Captain Theberge and Lt](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2847.jpg?itok=gQcUhPV9)
Description
Captain Theberge and Lt. Abbott monitoring CTD operations.CTD - Conductivity, Temperature, Depth measurements.MT. MITCHELL CTD's used to determine ocean sound velocity structure.Sound velocity information used to correct soundings.In support of bathymetric mapping operations (Image credit: Personnel of NOAA Ship MT. MITCHELL 1991)