CANCEL
Missions
Badges
ISS Visitor
This astronaut visited the International Space Station.
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
357
Richard M. Linnehan
4
MISSIONS
59.9
DAYS IN SPACE
6
SPACEWALKS
1.8
DAYS SPACEWALKING
377
Takao Doi
2
MISSIONS
31.8
DAYS IN SPACE
2
SPACEWALKS
0.5
DAYS SPACEWALKING
389
Dominic L. P. Gorie
4
MISSIONS
49
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
418
Mark E. Kelly
4
MISSIONS
54.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
425
Roberto Vittori
3
MISSIONS
35.5
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
442
E. Michael Fincke
3
MISSIONS
381.6
DAYS IN SPACE
9
SPACEWALKS
2
DAYS SPACEWALKING
481
Robert L. Behnken
3
MISSIONS
93.5
DAYS IN SPACE
10
SPACEWALKS
2.5
DAYS SPACEWALKING
482
Michael J. Foreman
2
MISSIONS
26.6
DAYS IN SPACE
5
SPACEWALKS
1.3
DAYS SPACEWALKING
483
Garrett E. Reisman
2
MISSIONS
107.1
DAYS IN SPACE
3
SPACEWALKS
0.9
DAYS SPACEWALKING
491
Gregory E. Chamitoff
2
MISSIONS
198.8
DAYS IN SPACE
2
SPACEWALKS
0.6
DAYS SPACEWALKING
506
Andrew J. Feustel
3
MISSIONS
225.4
DAYS IN SPACE
9
SPACEWALKS
2.6
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Gregory Harold "Box" Johnson is a British-Born NASA astronaut and a retired colonel in the United States Air Force. Johnson is a veteran of two space flights, STS-123 and STS-134. He served as pilot on his first mission, which delivered the Kibo logistics module and the Dextre robot arm to the International Space Station. Johnson was also assigned as the pilot to the STS-134 mission, which launched on May 16, 2011 and landed on June 1, 2011. Greg Johnson has also served in numerous roles for NASA including as a Capcom for several missions. At present time Gregory H. Johnson is the President and Executive Director for the Center for the Advancement of Science in Space.