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ISS006-E-46365 (8 April 2003) --- Astronaut Donald R. Pettit, Expedition Six NASA ISS science officer, emerges from the Quest airlock on the International Space Station (ISS) to begin a session of extravehicular activity (EVA) to perform a variety of maintenance tasks. Astronaut Kenneth D. Bowersox (out of frame), mission commander, joined Pettit on the spacewalk.
