The Golden Dome is a ridiculous project that would require the US converging the entire world in low-orbit satellites filled with missiles, meaning the US would be holding a loaded gun over every country on Earth that would potentially counter a country’s second strike capability, giving them the incentive to strike first with numbers that would overwhelm the golden dome. It’s not a realistic solution in the first place, if built it likely wouldn’t work as it’d have to hit every launched missile or missile site before a successful nuke hit the US where even a few nukes hitting the US is devastating, and if everything worked super well, global tensions would rise as the US would be pointing low-orbit missiles at every country on Earth.