Keywords: USS Thresher (SSN-593) sonar dome.jpg http //www history navy mil/photos/images/h97000/h97563 jpg Photo NH 97563 Wreck of USS Thresher SSN-593 Sonar Dome -- An external portion of a sonar dome used exclusively in Thresher class submarines was photographed by the bathyscaph Trieste August 24 during the second series of dives in the area 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 Official U S Navy Photograph from the collections of the Naval Historical Center USS Thresher SSN-593 PD-USGov |