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.
Elite Spacewalker
This astronaut is in the top 5% for total spacewalking time.
Frequent Walker
This astronaut is in the top 5% for number of space walks.
Elite Spaceflyer
This astronaut is in the top 5% for total time in space.
Crewmates
313
David A. Wolf
4
MISSIONS
168.4
DAYS IN SPACE
7
SPACEWALKS
1.7
DAYS SPACEWALKING
370
Pavel Vinogradov
3
MISSIONS
546.9
DAYS IN SPACE
7
SPACEWALKS
1.6
DAYS SPACEWALKING
397
Julie Payette
2
MISSIONS
25.5
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
408
Mark L. Polansky
3
MISSIONS
41.5
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
508
Douglas G. Hurley
3
MISSIONS
92.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
510
Thomas H. Marshburn
3
MISSIONS
337.4
DAYS IN SPACE
5
SPACEWALKS
1.3
DAYS SPACEWALKING
511
Timothy L. Kopra
2
MISSIONS
244
DAYS IN SPACE
3
SPACEWALKS
0.5
DAYS SPACEWALKING
534
Anatoli Ivanishin
3
MISSIONS
476.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
540
Alexander Misurkin
3
MISSIONS
346.3
DAYS IN SPACE
4
SPACEWALKS
1.2
DAYS SPACEWALKING
579
Ivan V. Vagner
1
MISSIONS
195.8
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Christopher John "Chris" Cassidy is a NASA astronaut and United States Navy SEAL. Chris Cassidy achieved the rank of captain in the U.S. Navy. He was the Chief of the Astronaut Office at NASA from July 2015 until June 2017.