USA
John Casper
(John Howard Casper)
(Jul 09, 1943)
Astronaut 227
Astronaut of the USA 137
Spaceflights 4
Spaceflights
| No. | Launch | Orbiter | Duration |
| 1st | Feb 28, 1990 | Atlantis STS-36 | 4 d 10 h 18 m 22 s (106 h 18 m 22 s) |
| 2nd | Jan 13, 1993 | Endeavour STS-54 | 5 d 23 h 38 m 19 s (143 h 38 m 19 s) |
| 3rd | Mar 04, 1994 | Columbia STS-62 | 13 d 23 h 16 m 41 s (335 h 16 m 41 s) |
| 4th | May 19, 1996 | Endeavour STS-77 | 10 d 0 h 39 m 18 s (240 h 39 m 18 s) |
| Cumulative time: | 34 d 9 h 52 m 40 s (825 h 52 m 40 s) | ||
John Casper.
John Casper on the flight deck of the Space Shuttle Atlantis.
Astronaut of the USA 136
Astronaut of the USA 138
Astronaut 226
Astronaut 228
2001 Antropos.