U.S. President Donald Trump unveiled a plan for his ambitious "Golden Dome" missile defense shield this week, stating it will cost $175 billion and take about three years to develop — but some experts say the price tag could be many times higher.

President Donald Trump has named a four-star Space Force general to oversee the development of Golden Dome -- the massively expensive space-based missile defense system promised during the first days of his second term.

President Trump, Defense Secretary Hegseth, and Space Force Vice Chief of Operations, General Michael Guetlein will reportedly announce a multi-billion-dollar missile defense shield for the U.S. that they're calling the "Golden Dome.