CANCEL
Missions
Badges
Crossed Kármán Line
This astronaut crossed the Kármán Line (100 km), the internationally accepted boundary of space.
Crewmates
132
Guion S. Bluford Jr.
4
MISSIONS
28.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
161
David M. Walker
4
MISSIONS
30.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
178
Shannon W. Lucid
5
MISSIONS
223.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
240
Robert D. Cabana
4
MISSIONS
37.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
251
Linda M. Godwin
4
MISSIONS
38.3
DAYS IN SPACE
2
SPACEWALKS
0.4
DAYS SPACEWALKING
252
Jerome Apt III
4
MISSIONS
35.3
DAYS IN SPACE
2
SPACEWALKS
0.4
DAYS SPACEWALKING
260
Sidney M. Gutierrez
2
MISSIONS
20.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
269
James S. Voss
5
MISSIONS
202.2
DAYS IN SPACE
4
SPACEWALKS
0.9
DAYS SPACEWALKING
280
Kevin P. Chilton
3
MISSIONS
29.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
311
Richard A. Searfoss
3
MISSIONS
39.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
316
Ronald M. Sega
2
MISSIONS
17.5
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
317
Thomas D. Jones
4
MISSIONS
53
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Michael Richard Uram "Rich" Clifford, is a former United States Army officer and NASA astronaut. Clifford is considered a Master Army Aviator and has logged over 3,400 hours flying in a wide variety of fixed and rotary winged aircraft. Clifford retired from the U.S. Army at the rank of lieutenant colonel. He has logged over 12 hours of spacewalk time over three Space Shuttle missions. He is also one of the first people to conduct a spacewalk while docked to an orbiting space station. The spacewalk was conducted during STS-76, while docked at the Russian space station Mir.