Maybe. Countries can leave the treaty. Congress and the Senate are trying to make it impossible for the president to unilaterally do this, but I don't know if that bill has passed yet. It's a bipartisan effort believe it or not, because even the most politic Republicans are not stupid. I expect it should pass before January 2025.

But who knows, maybe he can sabotage the alliance in other ways, or find some other way out.