Air Force One is the official air traffic control designated call sign for a United States Air Force aircraft carrying the president of the United States. In common parlance, the term is used to denote U.S. Air Force aircraft modified and used to transport the president and a metonym for the primary presidential aircraft, VC-25, although it can be used to refer to any Air Force aircraft the president travels on.
SAM 29000, one of two VC-25As used as Air Force One, approaching Dayton International Airport in October 2012
Theodore Roosevelt and pilot Arch Hoxsey prior to their flight from St. Louis in October 1910
President Franklin D. Roosevelt's Douglas C-54 Skymaster aircraft, nicknamed the Sacred Cow
The VC-118 Independence used primarily by President Harry S. Truman
The Boeing VC-25 is a military version of the Boeing 747 airliner, modified for presidential transport and commonly operated by the United States Air Force (USAF) as Air Force One, the call sign of any U.S. Air Force aircraft carrying the president of the United States.
Boeing VC-25
A VC-25 Air Force One with landing gear down
President Barack Obama meets with Rep. Dennis Kucinich, D-Ohio, aboard Air Force One en route to Cleveland, Ohio, March 2010.
The first family's private quarters. The couches can fold out into beds.