U.S. President Donald Trump, in an interview with Fox News anchor Sean Hannity last week, was fairly confident about his country’s ability to shoot down an incoming North Korean intercontinental ballistic missile (ICBM).

“We build the greatest military equipment in the world,” the President said. “We have missiles that can knock out a missile in the air 97% of the time, and if you send two of them, it’s going to get knocked out.”

But despite Trump’s confidence, it is not clear whether the United States would be capable of shooting down