The airplane often referred to as Air Force One could be seen flying over the Piedmont on Wednesday afternoon.
Pilots were performing training exercises at Piedmont Triad International Airport. PTIA is often used for practice runs because of the runway length and uncrowded airspace, officials have said during past exercises.
Technically, Air Force One is the call sign of any Air Force aircraft carrying the President. In practice, however, Air Force One is used to refer to one of two highly customized Boeing 747-200B series aircraft, which carry the tail codes 28000 and 29000. The Air Force designation for the aircraft is VC-25A.
Capable of refueling midair, Air Force One has unlimited range and can carry the President wherever he needs to travel. The onboard electronics are hardened to protect against an electromagnetic pulse, and Air Force One is equipped with advanced secure communications equipment, allowing the aircraft to function as a mobile command center in the event of an attack on the United States.
Inside, the President and his travel companions enjoy 4,000 square feet of floor space on three levels, including an extensive suite for the President that features a large office, lavatory, and conference room. Air Force One includes a medical suite that can function as an operating room, and a doctor is permanently on board. The plane’s two food preparation galleys can feed 100 people at a time.
Air Force One also has quarters for those who accompany the President, including senior advisors, Secret Service officers, traveling press, and other guests. Several cargo planes typically fly ahead of Air Force One to provide the President with services needed in remote locations.