Joining STS-121 commander Steven Lindsey are mission specialist Michael Fossum, pilot Mark Kelly, and mission specialists Lisa Nowak (partly visible at left), Stephanie Wilson, Piers Sellers and Thomas Reiter, who represents the European Space Agency. The crew is at the space center to take part in a Terminal Countdown Demonstration Test, or TCDT on June 14-15, 2006. Credit: NASA/Kim Shiflett. Click to enlarge.
