
S127-E-007938 (22 July 2009) --- Astronaut Christopher Cassidy, STS-127 mission specialist, participates in Endeavour's third space walk of a scheduled five overall for this flight. This was Cassidy's first of a scheduled three sessions for him. Astronaut Dave Wolf, Cassidy's EVA colleague, is out of frame.
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NASA ID
s127e007938
Date Created
July 22, 2009
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