330-PSA-191-65 (USN 711347):  Wreck of USS Thresher (SSN-593).  "Insulation -- Rockwool thermal insulation photographed August 24 during the bathyscaph Trieste's second series of dives some 220 miles east of Cape Cod where USS Thresher sank April 10. This type of insulation is used in all U.S. submarines." The original view, from whose caption the quoted text is taken, was released on 5 September 1963. Also at NHHC as NH 97565.  (2015/10/20).
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