Apollo 17 backup crew of Apollo 14) would become prime crew of the mission. NASA Director of Flight Crew Operations Deke Slayton ultimately assigned the backup crew of Apollo 14 (Cernan and Evans), along with Schmitt, to the prime crew of Apollo 17. The Apollo 15 prime crew received the backup assignment since this was to be the last lunar mission and the backup crew would not rotate to another mission. However, when the Apollo 15 postage stamp incident became public in early 1972 the crew was reprimanded by NASA and the United States Air Force (they were active duty officers). Director
Astronaut-politician and finishing in 6th place. Glenn returned to space on October 29, 1998 aboard Space Shuttle Discovery (STS-95) while still a sitting Senator. The next year he retired from Congress. Two Apollo astronauts were elected to the United States Congress. "Astronaut turned Sen. Harrison 'Jack' Schmitt", whose participation on the Apollo 17 mission made him the only geologist to walk on the Moon, resigned from NASA in August 1975 and shortly thereafter ran as a Republican, winning the New Mexico Senate seat in 1976 over two-term Democratic incumbent, Joseph Montoya by a margin of 57% to 42%, despite being described