The Shuttle Era's Final Spacewalk

spacewalk
NASA

Spacewalker
Astronaut Ron Garan rides on the International Space Station's robotic arm as he transfers a failed pump module to the cargo bay of space shuttle Atlantis. Garan and fellow astronaut Mike Fossum wrapped up a six-hour, 31-minute spacewalk, July 12, 2011, the final scheduled spacewalk during a shuttle mission.

Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.