What's more impressive to me - is how much production was ramped up during WW2. e.g https://en.wikipedia.org/wiki/Willow_Run https://en.wikipedia.org/wiki/Will

What's more impressive to me - is how much production was ramped up during WW2. e.g https://en.wikipedia.org/wiki/Willow_Run https://en.wikipedia.org/wiki/Willow_Run - that plant was producing a bomber almost every hour to this day not a lot of countries can produce a full plane in an hour. I don't think the US can