Upgrading a Qatar-donated 747 into a new Air Force One would take a large sum of money and years to complete, aviation experts said.

This isn’t a gamble anyone should be willing to take,” said Senate Minority Leader Chuck Schumer, referencing the heated controversy around the Pentagon’s acceptance of a Boeing 747 plane donated by Qatar to act as a temporary Air Force One.

Converting a luxury jet gifted by Qatar to President Donald Trump into a replacement for Air Force One could potentially cost hundreds of millions of dollars and it could take up two years to install the necessary security equipment,