USA
Frederick Gregory
(Frederick Drew Gregory)
(Jan 07, 1941)
Astronaut 165
Astronaut of the USA 94
Spaceflights 3
Spaceflights
| No. | Launch | Orbiter | Duration |
| 1st | Apr 29, 1985 | Challenger STS-51B | 7 d 0 h 8 m 46 s (168 h 8 m 46 s) |
| 2nd | Nov 23, 1989 | Discovery STS-33 | 5 d 0 h 6 m 48 s (120 h 6 m 48 s) |
| 3rd | Nov 24, 1991 | Atlantis STS-44 | 6 d 22 h 50 m 44 s (166 h 50 m 44 s) |
| Cumulative time: | 18 d 23 h 6 m 18 s (455 h 6 m 18 s) | ||
Frederick Gregory on board of the Space Shuttle Atlantis.
NASA Deputy Administrator Frederick Gregory, 2003.
Astronaut of the USA 93
Astronaut of the USA 95
Astronaut 164
Astronaut 166
2001 Antropos.