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
129
Norman E. Thagard
5
MISSIONS
140.6
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
139
Robert L. Gibson
5
MISSIONS
36
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
153
Steven A. Hawley
5
MISSIONS
32.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
161
David M. Walker
4
MISSIONS
30.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
191
Ronald J. Grabe
4
MISSIONS
26.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
200
Mary L. Cleave
2
MISSIONS
10.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
226
Richard N. Richards
4
MISSIONS
33.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
244
Carl J. Meade
3
MISSIONS
29.7
DAYS IN SPACE
1
SPACEWALKS
0.3
DAYS SPACEWALKING
252
Jerome Apt III
4
MISSIONS
35.3
DAYS IN SPACE
2
SPACEWALKS
0.4
DAYS SPACEWALKING
253
L. Blaine Hammond Jr.
2
MISSIONS
19.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
254
Gregory J. Harbaugh
4
MISSIONS
34.1
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
281
Kenneth D. Bowersox
5
MISSIONS
211.6
DAYS IN SPACE
2
SPACEWALKS
0.6
DAYS SPACEWALKING
289
Curtis L. Brown Jr.
6
MISSIONS
57.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
290
N. Jan Davis
3
MISSIONS
28.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
291
Mae C. Jemison
1
MISSIONS
7.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
292
Mamoru Mohri
2
MISSIONS
19.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
295
Susan J. Helms
5
MISSIONS
211
DAYS IN SPACE
1
SPACEWALKS
0.4
DAYS SPACEWALKING
324
Jerry M. Linenger
2
MISSIONS
143.1
DAYS IN SPACE
1
SPACEWALKS
0.2
DAYS SPACEWALKING
326
Steven L. Smith
4
MISSIONS
40
DAYS IN SPACE
7
SPACEWALKS
2.1
DAYS SPACEWALKING
328
Joseph R. Tanner
4
MISSIONS
43.6
DAYS IN SPACE
7
SPACEWALKS
1.9
DAYS SPACEWALKING
353
Scott J. Horowitz
4
MISSIONS
47.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Mark Charles Lee USAF Colonel, is a former NASA astronaut who flew on four Space Shuttle missions. He retired from the Air Force and NASA on July 1, 2001.