1. Astronauts who flew on Apollo missions but *did not land on the moon*:
* Apollo 8: Frank Borman, Jim Lovell, and William Anders orbited the moon but did not land.
* Apollo 10: Thomas Stafford, John Young, and Eugene Cernan flew to the moon, entered lunar orbit, and deployed the lunar module (but didn't land).
* Apollo 13: Jim Lovell, Fred Haise, and Jack Swigert were on a mission to land but had to abort due to an explosion and return to Earth.
2. Astronauts who were *part of the Apollo program but never flew to the moon*:
* There were many astronauts who trained for Apollo missions but never flew to the moon, either due to selection changes, medical reasons, or other factors. Some examples include:
* Alan Bean, who later walked on the moon with Apollo 12
* Buzz Aldrin, who landed on the moon with Apollo 11
* Pete Conrad, who landed on the moon with Apollo 12
* Edgar Mitchell, who landed on the moon with Apollo 14
* David Scott, who landed on the moon with Apollo 15
* James Irwin, who landed on the moon with Apollo 15
* John Young, who landed on the moon with Apollo 16
* Charles Duke, who landed on the moon with Apollo 16
* Eugene Cernan, who landed on the moon with Apollo 17
* Harrison Schmitt, who landed on the moon with Apollo 17
Let me know if you'd like more specific information about any of these astronauts or their missions!
