330-PSA-191-65 (USN 711345):  Wreck of USS Thresher (SSN-593).  "Sonar Dome -- A section of a sonar dome from the bow of a Thresher class submarine photographed August 24 during the second series of dives by the bathyscaph Trieste. The bathyscaph has completed 10 dives some 220 miles east of Cape Cod where the nuclear powered submarine Thresher sank April 10." The original view, from whose caption the quoted text is taken, was released on 5 September 1963.  Also at NHHC as NH 97562.  (2015/10/20).
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