NASA Astronaut Group 3 was a group of fourteen astronauts selected by NASA for the Gemini and Apollo programs. The Apollo spacecraft had a crew of three, so more astronauts were required. Their select
Group 3 astronauts Back row, left to right: Michael Collins, Walter Cunningham, Donn Eisele, Theodore Freeman, Richard Gordon, Rusty Schweickart, David Scott, Clifton Williams Front row, left to right: Buzz Aldrin, Bill Anders, Charles Bassett, Alan Bean, Gene Cernan, Roger Chaffee
U.S. Survey Geologist E. Dale Jackson (left), with astronauts (left to right) Bill Anders, Richard Gordon, Neil Armstrong and Donn Eisele during geological training in the Grand Canyon, Arizona.