Two White House officials posted farewells to the Boeing 747-200 that has flown as Air Force One since 1990.

It comes as the first of three planes being modified for the role is set to be delivered soon.

Three 747-800s are being modified, including a luxury jet donated by the government of Qatar to bridge the gap between the old planes and the two additional planes Boeing is modifying.

AI-generated summary was reviewed by a CNN editor.

Washington, DC —