Hearts of Iron IV

Hearts of Iron IV

The Fire Rises
What's the navy like for the American PLA?
I've try defeating all enemies other than the fed/union, but guess none of them got any navy. all I can do is just annex them and reintegrate their territory, therefore got no boats no naval experience yet. Is the only way to have some boats is when I defeated the union and get their boats on the negotiating table? It seems kind of boring having no navy throughout the majority of the game