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
199
Jerry L. Ross
7
MISSIONS
58
DAYS IN SPACE
9
SPACEWALKS
2.4
DAYS SPACEWALKING
240
Robert D. Cabana
4
MISSIONS
37.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
250
Kenneth D. Cameron
3
MISSIONS
23.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
257
Richard J. Hieb
3
MISSIONS
31.9
DAYS IN SPACE
3
SPACEWALKS
0.7
DAYS SPACEWALKING
269
James S. Voss
5
MISSIONS
202.2
DAYS IN SPACE
4
SPACEWALKS
0.9
DAYS SPACEWALKING
295
Susan J. Helms
5
MISSIONS
211
DAYS IN SPACE
1
SPACEWALKS
0.4
DAYS SPACEWALKING
305
Janice E. Voss
5
MISSIONS
49.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
310
Carl E. Walz
4
MISSIONS
230.5
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
312
William S. McArthur Jr.
4
MISSIONS
224.9
DAYS IN SPACE
4
SPACEWALKS
1
DAYS SPACEWALKING
315
Yury Usachov
4
MISSIONS
552.9
DAYS IN SPACE
7
SPACEWALKS
1.3
DAYS SPACEWALKING
321
Leroy Chiao
4
MISSIONS
229.3
DAYS IN SPACE
6
SPACEWALKS
1.5
DAYS SPACEWALKING
322
Donald A. Thomas
4
MISSIONS
43.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
323
Chiaki Mukai
2
MISSIONS
23.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
338
Mary E. Weber
2
MISSIONS
18.8
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
341
Michael L. Gernhardt
4
MISSIONS
43.3
DAYS IN SPACE
4
SPACEWALKS
1
DAYS SPACEWALKING
347
Chris Hadfield
3
MISSIONS
166
DAYS IN SPACE
2
SPACEWALKS
0.6
DAYS SPACEWALKING
353
Scott J. Horowitz
4
MISSIONS
47.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
365
Susan L. Kilrain Still
2
MISSIONS
19.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
366
Roger K. Crouch
2
MISSIONS
19.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
367
Gregory T. Linteris
2
MISSIONS
19.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
403
Jeffrey N. Williams
4
MISSIONS
534.1
DAYS IN SPACE
5
SPACEWALKS
1.3
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
James Donald Halsell Jr., is a retired United States Air Force officer and a former NASA astronaut. He is a veteran of five Space Shuttle missions.