CANCEL
Missions
Badges
Crossed Kármán Line
This astronaut crossed the Kármán Line (100 km), the internationally accepted boundary of space.
Crewmates
305
Janice E. Voss
5
MISSIONS
49.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
320
James D. Halsell Jr.
5
MISSIONS
52.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
322
Donald A. Thomas
4
MISSIONS
43.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
341
Michael L. Gernhardt
4
MISSIONS
43.3
DAYS IN SPACE
4
SPACEWALKS
1
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
WIKIPEDIA EXCERPT
Gregory Thomas Linteris, Ph.D. is an American scientist who flew as a payload specialist on two NASA Space Shuttle missions in 1997