| Buzz Aldrin |
Flew on Gemini 12 and on the first Moon-landing team, Apollo 11 |
| Joe Allen |
Two shuttle missions (STS-5, STS-51A) |
| Alan Bean |
Walked on the Moon on Apollo 12 and commanded Skylab 2 |
| Frank Borman |
Commanded Gemini 7 and Apollo 8, the first flight to orbit the Moon |
| Dan Brandenstein |
Four shuttle missions (STS-8, STS-51G, STS-32, STS-49) |
| Scott Carpenter |
Flew the second American orbital flight |
| Gerald Carr |
Spent 84 days in space on Skylab 4 |
| Eugene Cernan |
Flew on Gemini 9 and Apollo 10 missions and was the last man to walk on the Moon as commander of Apollo 17 |
| Dick Covey |
Four shuttle missions (STS-51I, STS-26, STS-38, STS-61), including the first Hubble Space Telescope servicing mission (STS-61) |
| Bob Crippen |
Four shuttle missions (STS-1, STS-7, STS-41C, STS-41G), including the maiden voyage of the Space Shuttle Columbia, and former director of the Kennedy Space Center |
| Walt Cunningham |
Flew on first manned Apollo flight, Apollo 7 |
| Charles Duke |
Walked on the Moon on Apollo 16 |
John Fabian  |
Two shuttle missions (STS-7, STS-51G) |
| Owen Garriott |
Spent 56 days in space on Skylab 3 and flew on the ninth Space Shuttle mission (STS-9) |
| Ed Gibson |
Spent 84 days in space on Skylab 4 |
| John Glenn |
First American to orbit, flew aboard Space Shuttle Discovery on STS-95, retired U.S. Senator from Ohio |
| Richard Gordon |
Flew on Gemini 11 and orbited the Moon on Apollo 12 |
Ronald Grabe  |
Four shuttle missions (STS-51J, STS-30, STS-42, STS-57) |
| Fred Haise |
Lunar module pilot on Apollo 13 |
| Rick Hauck |
Three shuttle missions (STS-7, STS-51A, STS-26), including commanding first post -Challenger flight (STS-26) |
| Thomas D. Jones |
Four shuttle missions (STS-59, STS-68, STS-80, STS-98) |
| Joseph Kerwin |
Spent 28 days in space on Skylab 2 |
| James Lovell |
Flew on Gemini 7, commanded Gemini 12, orbited the Moon on Apollo 8, and commanded the aborted Apollo 13 Moon-landing mission, the subject of the 1995 hit movie Apollo 13 |
Jon McBride  |
One shuttle mission (STS-41G) |
Mike McCulley  |
One shuttle mission (STS-34) |
| Edgar Mitchell |
Walked on the Moon on Apollo 14 |
Mike Mullane  |
Three shuttle missions (STS-41D, STS-27, STS-36) |
George (Pinky) Nelson  |
Three shuttle missions (STS-41C, STS-61C, STS-26) |
| William Pogue |
Spent 84 days in space on Skylab 4 |
Rick Searfoss  |
Three shuttle missions (STS-58, STS-76, STS-90) |
| Harrison (Jack) Schmitt |
Geologist who walked on the Moon on Apollo 17 and later served as a U.S. Senator from New Mexico |
Bob Springer  |
Two shuttle missions (STS-29, STS-38) |
| Thomas Stafford |
Flew on Gemini 6, commanded Gemini 9, commanded the Apollo 10 Moon orbital flight, and commanded the joint U.S.-Russian Apollo-Soyuz linkup flight |
| Paul Weitz |
Spent 28 days in space on Skylab 2 and flew on the sixth Space Shuttle mission (STS-6) |
| Al Worden |
Orbited the Moon on Apollo 15 |
| John Young |
Flew on Gemini 3, commanded Gemini 10, orbited the Moon on Apollo 10, walked on the Moon as Apollo 16 Commander, commanded the first Space Shuttle mission STS-1 and the 9th shuttle flight, STS-9. Young was the first person to fly in space six times. |