CANCEL
Missions
Badges
Crossed Kármán Line
This astronaut crossed the Kármán Line (100 km), the internationally accepted boundary of space.
Crewmates
135
Brewster H. Shaw Jr.
3
MISSIONS
22.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
155
Charles D. Walker
3
MISSIONS
19.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
168
Margaret R. Seddon
3
MISSIONS
30.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
199
Jerry L. Ross
7
MISSIONS
58
DAYS IN SPACE
9
SPACEWALKS
2.4
DAYS SPACEWALKING
200
Mary L. Cleave
2
MISSIONS
10.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
201
Sherwood C. Spring
1
MISSIONS
6.9
DAYS IN SPACE
2
SPACEWALKS
0.5
DAYS SPACEWALKING
202
Rodolfo Neri Vela
1
MISSIONS
6.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
224
James P. Bagian
2
MISSIONS
14.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
260
Sidney M. Gutierrez
2
MISSIONS
20.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
261
Tamara E. Jernigan
5
MISSIONS
63.1
DAYS IN SPACE
1
SPACEWALKS
0.3
DAYS SPACEWALKING
262
F. Andrew Gaffney
1
MISSIONS
9.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
263
Millie Hughes-Fulford
1
MISSIONS
9.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Bryan Daniel O'Connor is a retired United States Marine Corps Colonel and former NASA astronaut.