USA
Gregory Johnson
(Gregory Carl Johnson)
(Jul 30, 1954)
Astronaut 491
Astronaut of the USA 314
Spaceflights 1
Spaceflights
| No. | Launch | Orbiter | Duration |
| 1st | May 11, 2009 | Atlantis STS-125 | 12 d 21 h 37 m 9 s (309 h 37 m 9 s) |
| Cumulative time: | 12 d 21 h 37 m 9 s (309 h 37 m 9 s) | ||
Gregory Johnson.
Gregory Johnson on the flight deck of the Space Shuttle Atlantis.
Astronaut of the USA 313
Astronaut of the USA 315
Astronaut 490
Astronaut 492
2001 Antropos.