Watch live: NASA astronauts fixing ISS' robotic arm during spacewalk today

Two NASA astronauts will repair the International Space Station's huge Canadarm2 robotic arm during a spacewalk today (June 30) that's expected to start at around 8:35 a.m. EDT (1235 GMT). Watch it live here beginning at 7 a.m. EDT (1300 GMT) and read our preview story.

U.S. Spacewalk 95 - YouTube U.S. Spacewalk 95 - YouTube
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