https://www.abebooks.com/9780760357996/Air-Force-Aircraft-Modern-U.S-0760357994/plp
Air Force One: The Aircraft of the Modern U.S. Presidency - Veronico, Nicholas A: 9780760357996 -...
The presidential plane wasn't always known as Air Force One. The first potential presidential plane was a transport version of the four-engine B-24 Liberator...
air force one