The only Lockheed VC-121E built, this aircraft, "Columbine III", served as President Dwight D. Eisenhower’s personal airplane from 1954 until he left office in January 1961. A military version of the famous Lockheed L-1049 Super Constellation commercial airliner, it has a fuselage "stretched" 18 feet longer than earlier versions. With more powerful engines, greater fuel capacity and greater speed, these aircraft were popularly known as "Super Connies."