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June 21, 2011
Astronaut Susan J. Helms, STS-101 mission specialist, prepares to leave Houston's Ellington Field aboard a T-38 jet trainer, headed for Florida. Helms and the rest of the crew will arrive later in the day to take part in Terminal Countdown Demonstration Test (TCDT) activities that include emergency egress training and a dress rehearsal for launch. Helms, along with five other astronauts and a cosmonaut representing the Russian Aviation and Space Agency, comprise the crew of the third assembly flight for the International Space Station.

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