The project, directed by Joseph Freeman, called ... ft 6 in long, longer than the F-84F's length of 43 ft 4.75 in on account of the huge propeller spinner attached to the front of the aircraft.

Four US presidents flew aboard the Air Force One plane known as SAM 970. In 1959, the customized Boeing 707-153 known as SAM 970 became the new presidential aircraft, replacing the propeller ...