Spacewalking Astronauts Tackle Space Station Power System Upgrade

Expedition 50 commander Shane Kimbrough led the way as he and flight engineer Peggy Whitson ventured outside the space station into the void of space at 7:23 a.m. EST (1223 GMT). Kimbrough and Whitson then spent more than six hours outside the space station on a mission to install three adapter plates and configure electrical connections in preparation for a new set of batteries that will be installed on the space station. This was the first of two spacewalks astronauts will perform th