Hunt for the 'Alligator'. Student attaching a cable to the Towfish - a 600KHZ Marine Sonic Side Scan Sonar unit that is being used in a high-tech unde

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Hunt for the 'Alligator'. Student attaching a cable to the Towfish - a 600KHZ Marine Sonic Side Scan Sonar unit that is being used in a high-tech underwater search for the US Navy's first submarine the 'Alligator'. The National Oceanic and Atmospheric Administration (NOAA), with support from the Office of Naval Research (ONR) are conducting a week-long expedition off Cape Hatteras, USA, where the Civil War era vessel was lost during a fierce storm in 1863. Photographed on 22nd August 2004.

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Size: 3631px × 2405px
Photo credit: © US Navy/John F. Williams/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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