AKA: Original Nineteen. Date: 1966.
| Givens American test pilot astronaut, 1966-1967. Died in an automobile accident. |
| Pogue American test pilot astronaut 1966-1975. |
| Irwin American test pilot astronaut 1966-1972. Eighth person to walk on the moon. |
| Lind American physicist mission specialist astronaut 1966-1986. Longest wait for an American for a spaceflight after becoming an astronaut (19 years). |
| Mitchell American pilot astronaut 1966-1972. Sixth person to walk on the moon. |
| Brand American test pilot astronaut 1966-1992. |
| Swigert American pilot astronaut 1966-1973. Survived first emergency beyond low earth orbit. Altitude (401,056 km) record. Died of complications from cancer. |
| Worden American test pilot astronaut 1966-1975. |
| Weitz American pilot astronaut 1966-1988. Member of first successful space station mission. |
| Carr American test pilot astronaut 1966-1977. |
| Engle American test pilot astronaut 1966-1986. |
| Roosa American test pilot astronaut 1966-1976. Died of viral pneumonia, a complication of pancreatitis. |
| Evans American pilot astronaut 1966-1977. |
| Haise American pilot astronaut 1966-1979. Survived first emergency beyond low earth orbit. Altitude (401,056 km) record. |
| Bull, John American test pilot astronaut, 1966-1968. |
| Duke American test pilot astronaut 1966-1976. Tenth person to walk on the moon. |
| Lousma American pilot astronaut 1966-1983. |
| Mattingly American test pilot astronaut 1966-1985. |
| McCandless American engineer mission specialist astronaut 1966-1990. Made first untethered space walk. |