Spacewalk a success as astronauts upgrade batteries on the ISS
NASA astronauts Nick Hague (top) and Anne McClain work to swap batteries in the Port-4 truss structure during the spacewalk.NASA The International Space Station (ISS) was treated to some new batteries on Friday, thanks to the NASA astronauts who took a spacewalk for nearly seven hours in order to complete the upgrades. This was the first spacewalk for both of the two astronauts,Nick HagueandAnne McClain, who are members of the Expedition 59 crew....