Men into Space (a.k.a. Space Challenge in later US syndication) is an American black-and-white science fiction television series, produced by Ziv Television Programs, Inc., that was first broadcast by CBS from September 30, 1959, to September 7, 1960. The series depicts future efforts by the United States Air Force to explore and develop outer space. The series' star, William Lundigan, played Col. Edward McCauley.