The White House’s $175-billion plan to protect the U.S. from nuclear annihilation will probably cost much more—and deliver far less—than has been claimed, says nuclear arms expert Jeffrey Lewis

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.

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