The Constitution bars federal officials from accepting gifts from foreign states without the consent of Congress.

"You should be embarrassed asking that question," Trump told a reporter who asked him about the optics surrounding his acceptance of the jet.

The two planes currently used as Air Force One have been flying for nearly four decades, and Trump is eager to replace them. During his first term, he displayed a model of a new jumbo jet in the Oval Office, complete with a revised paint scheme that echoed the red, white and dark blue design of his personal plane.