Behind the Scenes with the Atlantis Crew

Photographer Smiley N. Pool documents the four astronauts who will ride the last space shuttle as they get ready for their historic mission
Smiley N. Pool / Houston Chronicle / AP

Pressure Chamber
Astronaut Doug Hurley waits before for a test of his Russian space suit at a space facility in Moscow, March, 2011.

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