Raw: Spacewalking Astronauts Hope to Stop Leak

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Raw: Spacewalking Astronauts Hope to Stop Leak

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Raw: Spacewalking Astronauts Hope to Stop Leak

by Associated Press Videos 1:29 mins

Astronauts making a rare, hastily planned spacewalk replaced a pump outside the International Space Station on Saturday in hopes of plugging a serious ammonia leak. (May 11)

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