NASA.gov
December 24, 2013
Live streaming video by Ustream
Expedition 38 Flight Engineers Rick Mastracchio and Mike Hopkins are conducting the second in a series of spacewalks to replace a degraded ammonia pump module on the International Space Station’s starboard truss. The spacewalk officially began at 6:53 a.m. EST and is scheduled to run about 6 hours and 30 minutes. Join the conversation on Twitter by following: #Exp38, #ISS and #spacewalk.
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