This week we discuss the sinking of the nuclear-powered attack submarine USS  Thresher during deep-dive trials in 1963. The loss of the Thresher with all hands constitutes the deadliest submarine accident in US history.  

https://news.usni.org/tag/thresher-inquiry

https://maritime.org/doc/fleetsub/trim/chap1.htm

Welding vs. Brazing

Originally released 6/27/21; edited and re-uploaded 2/15/22

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