NASA astronauts conducted a spacewalk outside the International Space Station. The spacewalk will prepare the future deployment of additional solar arrays for the station, according to NASA.
SUBSCRIBE to ABC News: https://bit.ly/2vZb6yP
WATCH MORE on http://abcnews.go.com/
LIKE ABC News on FACEBOOK: https://www.facebook.com/abcnews
FOLLOW ABC News on TWITTER: https://twitter.com/abc
#abcnews
