Two astronauts switched their spacesuits to battery power this morning at 7:23 a.m. EST aboard the International Space Station to begin a spacewalk planned to last about six-and-a-half hours. Expedition 50 Commander Shane Kimbrough and Flight Engineer Peggy Whitson of NASA will install adapter plates and hook up electrical connections for three of six new lithium-ion …
Astronauts Begin First of Two Power Upgrade Spacewalks
