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