S127-E-007801 (22 July 2009) --- Astronaut Christopher Cassidy, STS-127 mission specialist, is pictured in the center of this wide shot photographed during Endeavour's third space walk of a scheduled five overall for this flight. Cassidy is near The Japanese Experiment Module - Exposed Facility (JEF.) This was Cassidy's first of a scheduled three sessions for him. Astronaut Dave Wolf, Cassidy's EVA colleague, is out of frame.