Terry Virts posted image of astronaut Butch Wilmore floating almost unseen against darkness of space . The astronauts ventured out for the first time in just over a week on Sunday to complete a tricky cable job . Scroll down to view Wilmore 's location , circled in red , against International Space Station 's starboard truss . Before the spacewalk , engineers spotted problems with a mechanical gauge on Butch Wilmore 's spacesuit .
Terry Virts posted image of astronaut Butch Wilmore floating almost unseen against darkness of space . The astronauts ventured out for the third time in just over a week on Sunday to complete a tricky cable job . Scroll down to view Wilmore 's location , circled in red , against International Space Station 's starboard truss . Before the spacewalk , engineers spotted problems with a mechanical gauge on Butch Wilmore 's spacesuit .