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![Captain A theb2846.jpg Captain A](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2846.jpg?itok=97fTnt5G)
Description
Captain A. Theberge and Lt. Mike Abbott discuss ship-handling during CTD's.Chief Boatswain Joe Dimartino watches over winch operator during 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 during bathymetric mapping (Image credit: Personnel of NOAA Ship MT. MITCHELL 1991)