Although Trump has requested an initial $25 billion for the Golden Dome in a proposed tax bill currently advancing through Congress, the program faces significant budgetary hurdles. According to a recent estimate from the Congressional Budget Office, just the space-based elements of the program could total $542 billion over the next two decades.

President Donald Trump unveiled his $175 billion plan to mimic that system. The U.S. version has been dubbed the Golden Dome, in honor of Trump's favorite decorative mo

President Donald Trump has announced the concept he wants for his future Golden Dome missile defense program — a multilayered system that for the first time will put U.S. weapons in space.