Eight US presidents flew on this Air Force One plane known as SAM 26000.George Wirt/ShutterstockSAM 26000, a Boeing VC-137C, operated as Air Force One from 1962 to 1998, carrying eight presidents.Lyndon Johnson was sworn in on board, and the plane transported John F. Kennedy's body from Texas.SAM 26000 is housed at the National Museum of the US Air Force, where visitors can walk through it."If history itself had wings, it would probably be this …