ISS astronauts conducting scheduled Christmas Eve spacewalk to finish repairs

NASA astronauts Rick Mastracchio and Michael Hopkins are once again floating outside the International Space Station, in the second scheduled effort to repair the station's malfunctioning coolant system and only the second Christmas Eve spacewalk in NASA history.

via Tech News Headlines - Yahoo News http://www.theverge.com/2013/12/24/5241524/iss-astronauts-conducting-scheduled-christmas-eve-spacewalk-to-finish