CANCEL
Missions
Badges
Crossed Kármán Line
This astronaut crossed the Kármán Line (100 km), the internationally accepted boundary of space.
Space Resident
This astronaut has spent over a month in space.
Crewmates
152
Richard M. Mullane
3
MISSIONS
14.8
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
160
Marc Garneau
3
MISSIONS
29.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
176
John O. Creighton
3
MISSIONS
16.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
192
David C. Hilmers
4
MISSIONS
20.6
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
234
Marsha S. Ivins
5
MISSIONS
55.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
238
Pierre J. Thuot
3
MISSIONS
27.3
DAYS IN SPACE
3
SPACEWALKS
0.7
DAYS SPACEWALKING
245
Charles D. Gemar
3
MISSIONS
24.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
254
Gregory J. Harbaugh
4
MISSIONS
34.1
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
255
Donald R. McMonagle
3
MISSIONS
25.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
270
Mario Runco Jr.
3
MISSIONS
23
DAYS IN SPACE
1
SPACEWALKS
0.2
DAYS SPACEWALKING
286
Andrew M. Allen
3
MISSIONS
37.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
289
Curtis L. Brown Jr.
6
MISSIONS
57.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
295
Susan J. Helms
5
MISSIONS
211
DAYS IN SPACE
1
SPACEWALKS
0.4
DAYS SPACEWALKING
309
Daniel W. Bursch
4
MISSIONS
226.9
DAYS IN SPACE
2
SPACEWALKS
0.5
DAYS SPACEWALKING
356
Andrew S. W. Thomas
4
MISSIONS
177.4
DAYS IN SPACE
1
SPACEWALKS
0.3
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
John Howard Casper is an American astronaut and United States Air Force pilot.