“As we now know, one wasn’t enough. It took two.”
Someone tell Jon that we didn’t have any spares to waste in the harbor...and replacements were hard to come by.
A neighbor of mine who was a NUC engineer took me and my brother (we were kids) through one of the plants at Oak Ridge that was responsible for enrichment. It had long been closed but all power still remained. He advised us not to get the urge to go swimming once inside. :^)