For some of the details on how production was organized and ramped up, see Freedom's forge: how American business produced victory in World War II by Arthur Herman:

* https://www.goodreads.com/book/show/13152691-freedom-s-forge

It focuses on the efforts of two individuals:

* https://en.wikipedia.org/wiki/William_S._Knudsen

* https://en.wikipedia.org/wiki/Henry_J._Kaiser

Note that the books publication was sponsored/supported by the American Enterprise Institute (AEI), a very right-leaning, pro-business think tank: anytime the word 'union' comes up you can sense the author doing a *hock* *spit*.