Yury Vladimirovich Usachov (Russian: Юрий Владимирович Усачёв; born October 9, 1957) is a former cosmonaut who resides in Star City, Moscow. Usachov is a veteran of four spaceflights, including two long-duration missions on board the Mir Space Station and another on board the International Space Station. During his career, he also conducted seven spacewalks before his retirement on April 5, 2004.
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