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Watch: NASA astronauts perform spacewalk outside International Space Station

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Two astronauts will go outside of the International Space Station Friday morning for a six-and-a-half hour spacewalk.

Expedition 54 Flight Engineers Mark Vande Hei of NASA and Norishieg Kanai of the Japan Aerospace Exploration Agency are scheduled to begin the planned six-and-a-half-hour spacewalk at 7:10 a.m.