WASHINGTON - The Pentagon has accepted a luxury Boeing 747 jet from Qatar to be used as Air Force One, the president’s plane, according to the Defense Department. The unprecedented $400 million ...

Nicknamed the "flying Oval Office," modern Air Force One planes are equipped with everything the president might need.

The Defense Department has officially accepted a luxury jet from Qatar and has begun planning how to convert the plane into an Air Force One, despite bipartisan concern that accepting a foreign government’s plane is both dangerous and unethical.