Crazy fun US (retired) Astronaut/consultant. Future author (Dec.), help w/STEM, S Media Q&A/space, love NASA, inventor of Twitpic POTD! http://t.co/0dv6eqVNaa
1907 days ago
Terminal Countdown Demonstration Test (TCDT): we even practice walking out and looking good! We are ready!
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During the TCDT the STS-131 even practice walking out. They all look so natural!
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