USA
Gregory Johnson
(Gregory Harold Johnson)
(May 12, 1962)
Astronaut 468
Astronaut of the USA 298
Spaceflights 2
Spaceflights
| No. | Launch | Orbiter | Duration |
| 1st | Mar 11, 2008 | Endeavour STS-123 - ISS | 15 d 18 h 10 m 54 s (378 h 10 m 54 s) |
| 2nd | May 16, 2011 | Endeavour STS-134 - ISS | 15 d 17 h 38 m 23 s (377 h 38 m 23 s) |
| Cumulative time: | 31 d 11 h 49 m 17 s (755 h 49 m 17 s) | ||
Gregory Johnson.
Gregory Johnson on the middeck of Space Shuttle Endeavour.
Gregory Johnson in Pirs module of the ISS.
Astronaut of the USA 297
Astronaut of the USA 299
Astronaut 467
Astronaut 469
2001 Antropos.