Stuart Allen "Stu" Roosa was an American aeronautical engineer, United States Air Force pilot, test pilot, and NASA astronaut, who was the Command Module Pilot for the Apollo 14 mission. The mission lasted from January 31 to February 9, 1971 and was the third mission to land astronauts (Alan Shepard and Edgar Mitchell) on the Moon. While Shepard and Mitchell spent two days on the lunar surface, Roosa conducted experiments from orbit in the Command Module Kitty Hawk. He was one of 24 people to travel to the Moon.

John Leonard "Jack" Swigert Jr. was an American test pilot, mechanical and aerospace engineer, United States Air Force pilot, and NASA astronaut. He was one of twenty-four astronauts who have flown to the Moon.[2][3] Before joining NASA in 1966, Swigert was a civilian test pilot and fighter pilot in the Air National Guard. After leaving NASA, he was elected to Congress from Colorado's new 6th district, but died before being sworn in.

Paul Joseph Weitz was an American naval officer and aviator, aeronautical engineer, test pilot, and NASA astronaut, who flew into space twice. He was a member of the three-man crew who flew on Skylab 2, the first manned Skylab mission. He was also Commander of the STS-6 mission, the first of the Space Shuttle Challenger flights.

William Edgar Thornton is a former NASA astronaut.

Joseph Percival "Joe" Allen IV, Ph.D. is a former NASA astronaut. He logged more than 3,000 hours flying time in jet aircraft. Allen is married to the former Bonnie Jo Darling of Elkhart, Indiana. Their children are David Christopher, born September 1968 and Elizabeth Darling, born May 1972.

Philip Kenyon Chapman was the first Australian-born American astronaut, serving for about five years in NASA Astronaut Group 6 (1967).

Anthony Wayne England better known as Tony England, is an American, former NASA astronaut. Selected in 1967, England was among a group of astronauts who served as backups during the Apollo and Skylab programs. Like most others in his class, he flew during the Space Shuttle program, serving as a mission specialist on STS-51F in 1985. He has logged more than 3,000 hours of flying time and 188 hours in space. England helped develop and use radars to probe the Moon on Apollo 17 and glaciers in Washington and Alaska. He participated in and led field parties during two seasons in Antarctica.

William Benjamin "Bill" Lenoir, Ph.D. was an American electrical engineer and a NASA astronaut.

John Anthony Llewellyn was a Welsh-born American scientist and a former NASA astronaut.

Franklin Story Musgrave, M.D. is an American physician and a retired NASA astronaut. He is a public speaker[2] and consultant to both Disney's Imagineering group and Applied Minds in California. In 1996 he became only the second astronaut to fly on six spaceflights, and he is the most formally educated astronaut with six academic degrees.

Brian Todd O'Leary was an American scientist, author, and former NASA astronaut. He was part of NASA Astronaut Group 6, a group of scientist-astronauts chosen with the intention of training for the Apollo Applications Program.

Robert Allan Ridley Parker is an American physicist and astronomer, former Director of the NASA Management Office at the Jet Propulsion Laboratory, and a retired NASA astronaut. He was a Mission Specialist on two Space Shuttle missions, STS-9 and STS-35. He has logged over 3,500 hours flying time in jet aircraft and 463 hours in space.