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JMS Naval Architects & Salvage Engineers


Animations & Simulations/ U.S.S. Scorpion

Our latest Discovery Channel project is a three-hour series on nuclear submarine accidents for Discovery's new series called "On The Inside". The USS Scorpion episode first aired on 4 January 1999 and will be rebroadcast throughout the coming months. (Check your local listings for rebroadcast information in your area.) The series involves some of the most complex forensic engineering analysis work we've done so far, made more difficult by government secrecy. The program includes details regarding the search and eventual discovery of Scorpion's wreckage in October 1968 and its re-examination in 1984. Most of the material in the program has never been revealed on TV, or for that matter anywhere else.

The Skipjack-class fast attack submarine, USS Scorpion (SSN-589), was lost with a crew of 99 when she experienced, what most experts believe was an internal explosion. She sank to the Atlantic sea floor, where it lays in three major pieces at 11,000 ft. several hundred miles off the Azores.

Working from recently de-classified US Navy investigation reports and information gathered from now-retired incident investigators, JMS began their reconstruction of the events sur

rounding her loss. Detailed 3-dimensional computer models of the submarine were developed to examine and illustrate her design as well as to recreate what happened to the sub as a result of the explosion. By studying her design, and debris field photographs taken from submersibles searching the wreck in 1968, JMS was able to create the first 3-dimensional reconstruction of the debris field scene. This reconstruction and analysis of acoustic "events" recorded by the underwater hydrophone network installed by the US government during the cold war, allowed JMS to recreate the sinking and "break-up" sequence that the submarine experienced during her decent to the bottom.

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...the interior arrangement of USS Scorpion...

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...the final break-up of the submarine...

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...detail of the "telescoped" stern section...

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...the recreation of the debris field as it looked in 1984...