Before Air Force One, US presidents traveled aboard a luxury train car. See inside the 'White House on wheels.'

The Ferdinand Magellan, also known as US Car No. 1, served as the official presidential train car from 1943 to 1954, used by Franklin D. Roosevelt, Harry Truman, and Dwight Eisenhower. It featured security enhancements and was dubbed a 'White House on wheels' due to accompanying support cars for staff and press.