The jet Qatar gave Trump is valued around $400 million. It might cost taxpayers $1 billion just to upgrade it to presidential standards

• The Boeing 747 Qatar donated to the Air Force One fleet costs roughly $400 million when new, but outfitting the jet to fit presidential requirements may cost up to $1 billion, according to experts. The Qataris have had trouble trying to sell the aircraft as 747s have fallen out of popularity within the aviation industry and are no longer manufactured. 

While President Donald Trump flaunts his $400 million Qatari airplane, touted to be the newest member of the Air Force One fleet...