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Retired Submarine Commander Sues Navy to Release USS Thresher Investigation

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  • T. A. Gardner
    replied
    Originally posted by Achtung Baby View Post

    Of course, but SOSUS evidence suggests a failure of an electrical bus for the coolant pumps. Which is why I guess the retired sub commander wants answers.
    The likely cause there was flooding due to improper brazing of seawater piping. I've seen the sloppy job sandcrabs do of that. AAA (West coast) did an AFFF system upgrade in phosphor bronze piping to connect all the stations on the hangar bay on the 'prise. They hired anyone who could spell brazing. Then they lit the system off to test the piping rather than use an air test.
    The results were as appalling as they were hilarious. A lot of the piping ran through senior officer's state rooms on the third deck and there's nothing like saltwater and AFFF to ruin your day!

    Thresher had issues with her seawater piping being right out of the yards but the issues weren't considered serious enough to keep trials from happening.

    USS Scorpion probably deserves another thread, she was commonly called USS Scrap iron because she had so many faults and issues.
    Most likely in her case was a Mk 37 torpedo, known to have issues, started running hot and they tried to jettison it but it detonated or caused a fire and much like the Kursk, Scorpion went to the bottom. At least, that's the most plausible explanation.

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  • Achtung Baby
    replied
    Originally posted by T. A. Gardner View Post

    Except, that Thresher was on trials and the USS Skylark, a submarine rescue ship was on the surface with her. The two were in communication using underwater telephone. The communications became garbled just before Thresher went down, so there's every indication of what likely happened. The follow on investigation was as thorough as it could be.
    Of course, but SOSUS evidence suggests a failure of an electrical bus for the coolant pumps. Which is why I guess the retired sub commander wants answers.

    USS Scorpion probably deserves another thread, she was commonly called USS Scrap iron because she had so many faults and issues.

    Leave a comment:


  • T. A. Gardner
    replied
    Originally posted by Achtung Baby View Post
    The theory that makes this story intriguing is that the seafloor sound surveillance system (SOSUS) detected sounds that suggested another reason to why she may have sunk, but SOSUS was highly classified, thus never talked about openly. But they did find that there were issues using emergency blow at her test depth, thus rectifying that problem for future subs.
    Except, that Thresher was on trials and the USS Skylark, a submarine rescue ship was on the surface with her. The two were in communication using underwater telephone. The communications became garbled just before Thresher went down, so there's every indication of what likely happened. The follow on investigation was as thorough as it could be.

    Leave a comment:


  • T. A. Gardner
    replied
    There's already extant video and photographic evidence of the Thresher's wreckage and that of Scorpion available for viewing. Scorpion flooded out well before reaching crush depth while Thresher imploded and as torn into little bits.



    Thresher wreckage:





    It's pretty clear the Thresher was torn to little pieces by the implosion.

    Scorpion wreckage:





    Scorpion didn't implode, indicating that the sub was full of water and pressure had equalized before reaching crush depth.

    Leave a comment:


  • Achtung Baby
    replied
    The theory that makes this story intriguing is that the seafloor sound surveillance system (SOSUS) detected sounds that suggested another reason to why she may have sunk, but SOSUS was highly classified, thus never talked about openly. But they did find that there were issues using emergency blow at her test depth, thus rectifying that problem for future subs.

    Leave a comment:


  • slick_miester
    replied
    My cousin was an engineer at KAPL for many years. Among his projects was the Thresher class. When the Thresher was lost, the Navy gave him a memorial book, honoring the lost crew. Among the Thrasher's crew were a pair of twins from Schenectady. Much to my surprise, taking both brothers was left to the skipper's discretion, not outright banned by USN regs. Suffice to say, I've always been interested in the Thresher, so I wish this skipper luck in his endeavors.

    Leave a comment:


  • Retired Submarine Commander Sues Navy to Release USS Thresher Investigation

    A retired nuclear submarine commander filed suit against the Navy to gain access to records classified for more than a half-century after the sinking of USS Thresher (SSN-593) – the Navy’s worst nuclear submarine disaster.

    Capt. James Bryant, who served on three Thresher-class subs, including a tour as commanding officer of USS Guardfish (SSN-612), has in his retirement taken to investigating the cause of Thresher’s sinking.

    “I’m trying to find out what happened because it’s good lessons learned,” Bryant told USNI News. “You need to have scholars look at this. What are we really protecting? I’m not doing this to embarrass the Navy.”
    https://news.usni.org/2019/08/09/ret...WS_DAILY%29&mc

    Thresher-photo-14-front-e1565301197965.jpg

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