History of Oceanography: Oceans as a Battlefield

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A Petty Officer on board the attack submarine USS Pasadena (SSN 752) in the Pacific Ocean conducts a periscope sweep to ensure that no “contacts” exist that would interfere with surfacing. « Previous | Next »

A Petty Officer on board the attack submarine USS Pasadena (SSN 752) in the Pacific Ocean conducts a periscope sweep to ensure that no “contacts” exist that would interfere with surfacing. (U.S. Navy photo by Photographer’s Mate 2nd Class August Sigur. July 19, 1998)

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