NASA: Christmas Eve spacewalk could wrap up repairDecember 23, 2013 by Marcia Dunn in Astronomy & Space / Space Exploration
The Christmas Eve spacewalk planned by NASA at the International Space Station should wrap up repair work on a faulty cooling line.
Mission Control said Monday that unless something goes awry, two astronauts ought to finish installing a new ammonia pump Tuesday, during a second spacewalk. NASA originally thought three spacewalks might be needed.
Astronauts Rick Mastracchio (Muh-STRACK-ee-oh) and Michael Hopkins removed the faulty pump during Saturday's spacewalk. Everything went so well, they jumped ahead.
The next spacewalk should have been Monday, but was bumped a day so Mastracchio could swap suits. He inadvertently hit the water switch in the air lock following Saturday's spacewalk, and engineers suspect water intruded into his suit.
NASA has conducted a Christmas Eve spacewalk only once before.
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"NASA: Christmas Eve spacewalk could wrap up repair" December 23, 2013 http://phys.org/news/2013-12-nasa-christmas-eve-spacewalk.html