STS-127 Commander Mark Polansky

2009-06-02 – On the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, STS-127 Commander Mark Polansky is wearing his complete launch-and-entry suit in the cockpit of the Shuttle Training Aircraft. He is preparing to practice Shuttle landings in preparation for launch of Space Shuttle Endeavour on the STS-127 mission. The crew is at Kennedy for a launch dress rehearsal called the terminal countdown demonstration test, or TCDT, which includes emergency egress training and equipment familiarization. (Credit: NASA/Kim Shiflett)