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The STS-127 crew members are pictured during a STS-127 preflight press briefing at NASA's Johnson Space Center. Pictured from the left are astronauts Mark Polansky, commander; Doug Hurley, pilot; Christopher Cassidy, Canadian Space Agency's Julie Payette, Tom Marshburn, Dave Wolf and Tim Kopra, all mission specialists. Kopra is scheduled to join Expedition 20 as flight engineer after launching to the International Space Station with the STS-127 crew.