Don’t they X-ray or radiograph every weld?
“ Don’t they X-ray or radiograph every weld?”
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One would think so on important things such as submarines and other warships.
Now I can see why Elon Musk would NEVER use Newport News Shipyard to weld those high quality stainless steel cylinders together to make his rockets. He has his own people do his building.
I’d think on a sub they’d most likely do that.