The Labor of Space Exploration
© Michael Soluri
Skywalker
Astronaut Andrew J. Feustel, a geophysicist by background, trains for one of his three simulated space walks in the repair of the Hubble telescope, tasks that he would ultimately carry out in May 2009. He is currently in training for the last scheduled shuttle flight, in February 2011.
Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.