Dec. 20, 2017, 8:38 p.m.
NASA Astronauts on Third and Final Spacewalk in October Series
NASA astronauts Joe Acaba (left) and Randy Bresnik (right) at work outside the International Space Station on Oct. 20, 2017, in the third of a series of three planned spacewalks. The two astronauts successfully completed the 6 hour, 49 minute spacewalk at 2:36 p.m. EDT.
