President Donald Trump is preparing an executive order for a “next generation” defense shield to protect the US against ballistic missiles and other long-range attack.

President Donald Trump is preparing an executive order to develop a "next generation" missile defense shield aimed at protecting the US from ballistic, cruise and hypersonic missile threats. The White House compared the proposed system to Israel’s Iron Dome,

An executive order said the United States faced a “catastrophic threat” from advanced aerial weapons. But a defense system like Israel’s may not be feasible in the country, which is more than 400 times larger.