Exactly! Fort Knox is not an ordinary place at all; it is one of the most secure locations in the world, and not just anyone can enter or even get close to it. This repository is under strict protection from the U.S. Department of the Treasury and the U.S. Army, and it is secured with the latest surveillance systems and weapons. Even if the president is the highest authority in the country, he is not someone who has the authority to enter any important military or financial location without approvals and oversight. The American system has a separation of powers, and the president is not the master of the situation in all cases.