He has been to space twice and has conducted two spacewalks.
Also, a variety of equipment to be tested on two planned spacewalks was part of the payload.
However, the spacewalk to repair the damage could pose a variety of risks, and those risks weighed heavily into the final decision.
He has traveled to space twice and has performed two career spacewalks.
Once that task was complete the pair began getting their tools ready for the second of three spacewalks.
The bake-out happened at the end of the spacewalk.
The successful construction and repair mission involved four spacewalks by two teams.
An unplanned spacewalk was successfully performed to repair the array.
