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S119-E-006700 (20 March 2009) --- Astronaut Steve Swanson, STS-119 mission specialist, uses a computer onboard the Space Shuttle Discovery during flight day six activities, while the orbiter and the International Space Station are docked in Earth orbit. Swanson performed a spacewalk on March 19, the third of his career, and he prepares for his career's fourth and this mission's second spacewalk on March 21.
