STS-121 Mission Specialist Michael Fossum (right) participates in an Extravehicular Mobility Unit spacesuit fit check in the Space Station Airlock Test Article in the Crew Systems Laboratory at the Johnson Space Center. Astronaut Mark E. Kelly, STS-121 pilot, assisted Fossum.

First Spacewalk Highlights Video

http://mfile.akamai.com/18566/wmv/etouchsyst2.download.akamai.com/18355/wm.nasa-global/sts-121/STS-121_EVA1.asx

www.nasa.gov