I have worked on the Y-12 site a number of times where I heard "building Ferraris in a model T factory" about the Manhattan project buildings on site. I did not work any of the active buildings just demolition.
Y-12 uranium facility delayed to 2030s, costs rise to $10B for national security priority
https://www.yahoo.com/news/y-12-uranium-facility-delayed-091313405.html