I’m familiar with the Thresher incident. While we can’t know absolutely for certain (no black box for subs), they believe the valves controlling the ballast tanks froze shut, so they couldn’t blow ballast. This was due to condensation, and the temperature at that depth. They were able to reproduce this on a sister sub in dock.
The reason for the need to blow ballast tanks is less clear, but they strongly suspect flooding when silver-brazed joints failed.
None of this was the nuclear plant failing.
Scorpion I’m less familiar with. I’m not aware that they suspect a failure of the nuclear system there.
Perhaps I should have been more specific, and said “no major nuclear incident”, or minor one.
One half and half example is my sister’s former husband. The Navy trained him in the care and feeding of reactors and then he decided he didn’t want to be part of the war machine and he was discharged at the convenience of the Navy. He then got a job in Virginia where he was appalled at the way they ran their reactor so he and a buddy decided to protest by pouring lye into several of the tubes where spar fuel rods were stored … a place they were authorized to be. Unsurprisingly, the state decided his reward should be a period of free housing.
Reinforcing the other poster’s idea of handing over running of our nation’s nuclear reactors to the Navy.
The more I think about it, the better I like that idea.
Some things should NOT be left to for-profit entities. Police and fire and EMS are such examples. Nuclear plants (and, arguably, all power plants) is another.