In this NASA provided frame from video, NASA astronauts Peggy Whitson, left, and Jack Fischer go out on a spacewalk to make repairs outside the International Space Station on Tuesday, May 23, 2017. (NASA via AP)
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In this NASA provided frame from video, NASA astronauts Peggy Whitson, left, and Jack Fischer go out on a spacewalk to make repairs outside the International Space Station on Tuesday, May 23, 2017. (NASA via AP)
