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NASA astronauts complete third spacewalk

Flight Engineer Terry Virts and Commander Barry “Butch” Wilmore left the confines of the International Space Station on Sunday for their third spacewalk in eight days. 

Virts and Wilmore installed 400 feet of cable and several antennas on the outside of the ISS to prepare the station for the arrival of more crew members, but they also tweeted images from 249 miles above the Earth. 

The astronauts also celebrated their 100th flight day today.