NASA astronauts Chris Cassidy and Robert Behnken concluded their spacewalk at 1:10 p.m. EDT, after six hours. The two NASA astronauts completed all the work to replace batteries that provide power for the station’s solar arrays on the starboard truss of the complex. The new batteries provide an improved and more efficient power capacity for operations. The spacewalkers removed …
NASA Astronauts Conclude Today’s Spacewalk








