Video: Change of command aboard International Space Station

Space station commander Jeff Williams and flight engineer Kate Rubins completed a smooth 6-hour 48-minute spacewalk Thursday, retracting a spare cooling radiator, installing two high-definition TV cameras and inspecting a massive solar array rotation mechanism that has experience subtle vibrations in recent months.

A Northrop Grumman Antares launched from Virginia’s Eastern Shore with a commercial Cygnus supply ship Oct. 2 on a two-and-a-half day journey to the International Space Station.

Struggling with balky electrical connectors, spacewalker Mike Hopkins managed to plug in and secure three of four thick power and data cables Saturday that are needed by a European experiment platform, leaving one cable for additional troubleshooting.