[oyez]

You have to consider American ingenuity on that one. At the time of Pearl Harbor, we were four years behind the Japanese. Within a year we were four years ahead of the Japanese.

I don't think anyone standing on Ford Island on Dec 7, 1941 would have believed that, but the USA was given plenty of incentive and invective to make that happen.

[Maine Mariner]

Not surprising-we actually built a liberty ship (victory?)
ship in ten days. 10 days from laying the keel until launch.