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 laid out new details of his ambitious plan to build a “Golden Dome” missile system to protect the United States from foreign attacks, saying it will be complete before he leaves office.

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.