Air Force One   This is a great source of information about the various aircraft used to fly the President of the USA.

White House - Air Force One   webpage(s) 

Ronald Reagan Presidential Library  ( Simi Valley, Los Angeles ) - Air Force One Pavilion   This is the home of aircraft 27000

National Geographic - Air Force One DVD / Video

National Museum of the United States Air Force   It is located at the Wright-Patterson AFB east of  Dayton Ohio. It is home to the famous aircraft with 26000 on the tail.