Astronaut Clayton Anderson, Expedition 15 flight engineer, participates in an Extravehicular Mobility Unit (EMU) spacesuit fit check in the Space Station Airlock Test Article (SSATA) in the Crew Systems Laboratory at Johnson Space Center. Astronaut Christopher Cassidy (left) assisted Anderson, who will join Expedition 15 as flight engineer after launching to the International Space Station aboard Space Shuttle Atlantis on mission STS-117. Credit: NASA.
