Ronald Evans (astronaut) 19 astronauts selected by NASA in April 1966. He served as a member of the astronaut support crews for the Apollo 7 and Apollo 11 flights, and as backup Command Module Pilot for Apollo 14. Evans' only space flight was as Command Module Pilot of Apollo 17, the last scheduled U.S. manned mission to the Moon. He was accompanied by Eugene Cernan and Harrison Schmitt. While Cernan and Schmitt landed and worked on the Moon in the Taurus–Littrow valley, Evans remained in lunar orbit on board the Command Module "America", completing assigned work tasks which required visual geological observations, hand-held
Pete Conrad Pete Conrad Charles "Pete" Conrad Jr. (June 2, 1930 – July 8, 1999), (Captain, USN), was an American NASA astronaut, aeronautical engineer, naval officer and aviator, test pilot, and during the Apollo 12 mission became the third man to walk on the Moon. Conrad was selected in NASA's second astronaut class. He set an eight-day space endurance record along with his Command Pilot Gordon Cooper on his first spaceflight, the Gemini 5 mission. Conrad also commanded the Gemini 11 mission. He became the third human to walk on the moon during the Apollo 12 mission. After Apollo, he commanded Skylab