A small water leak cropped up in one of the hoses designed to keep NASA astronaut Jack Fischer’s spacesuit cool while he waited to begin today’s 200th spacewalk on the International Space Station. That had a domino effect on the preparations, drawing down battery power and forcing NASA to trim back the time allotted to the outing from six and a half hours to a little more than four hours. The schedule still gave Fischer and NASA’s Peggy Whitson enough time to accomplish the spacewalk’s primary task.
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