It is worth noting that the US and Korea have already been very engaged in trying to work together on ship building, mostly for the US, which we seem to have gotten quite slow and costly at.

From the same source as this article, American HHI working with Korean HD HHI. No real action yet but both companies want to be working together. https://www.navalnews.com/naval-news/2025/10/hii-hosts-hd-hh...