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August 10, 2011
Robert Castle, Chief Engineer, Mission Operations Directorate, fields questions from news media represetatives during a press conference in the Olin Teague Auditorium at the Johnson Space Center. Castle and Deputy Shuttle Program Manager Wayne Hale had just come from a meeting of the Mission Management Team, and they passed onto the news reporters NASA's decision of not planning for a fourth spacewalk on Discovery's STS-114 mission.