U.S. astronauts take spacewalk
 

Two American astronauts spent 5 hours, 28 minutes working outside the International Space Station on Saturday in the first in a series of spacewalks needed to replace a malfunctioning ammonia pump module.http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA</img> http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA</img> http://feeds.feedburner.com/~ff/rss/...sI:V_sGLiPBpWU</img> http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs</img> http://feeds.feedburner.com/~ff/rss/...sI:gIN9vFwOqvQ</img>


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