On the morning of April 10, 1963, the world's most advanced submarine was on a test dive off the New England coast when she sent a message to a support ship a t

The authoritative explanation of the tragic loss of USS THRESHER (SSN 593) with her entire complement of 129 sailors and shipyard personnel on April 10, 1963.

Discusses the August 12, 2000 sinking of the Russian submarine Kursk in the Barents Sea, detailing the fate of the twenty-three men trapped inside through an ho

In their official report of 29 January 1970, the SCORPION Structural Analysis Group (SAG), which included the Navy's leading experts in submarine design, submar