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RINA&IMarEST Technical Presentation

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SS President Coolidge was a trans-Pacific passenger ship built by Newport News Shipbuilding for the Dollar Steamship Line and delivered on 1 October 1931, the largest merchant ship built in the USA up to that time. On 26 October 1942, whilst transporting 5000 troops and vital supplies from the USA to Solomon Islands, the ship sank in the Segond Channel in Espiritu Santo (now Vanuatu) after striking a US Navy-laid minefield.

The ship has been on the sea floor for 80 years. It is unique for its sheer size and for being accessible to divers directly from the shore. At 200 m in length and at depths ranging from 20 to 70 m, diving the wreck is an awe-inspiring yet complex and risky experience.

This presentation will tell the story of the ship, the circumstances which led to her loss, the aftermath of the sinking, an overview of the ship’s condition today, and provide observations on what it is like to dive the wreck.


18:00 AEST refreshments18:30 AEST presentation


Registration for the presentation is required.Registration for this presentation may be completed here.Registrations close at 18:00 AEST on Tuesday 3rd October. Registration for in-person attendance isrequired to gauge numbers for catering. Those registered for online participation will be emailed theZoom meeting ID and passcode on the evening of 3rd October.Register and put this date in your diary now, and we look forward to you joining the presentation.


Carl Linkenbagh – Consultant to Defence

RINA&IMarEST Technical Presentation


4th October, 2023    
18:00 - 20:00


Royal Prince Edward Yacht Club
160 Wolseley Rd, Point Piper NSW 2027, Australia, Sydney

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