first of five spacewalks replacing outdated nickel hydrogen batteries with within ion batteries. snow small job. the area where the new batteries are being put in his band the reach of the stations 58-foot robotic arm. the astronauts had to manually move the batteries inchworm style from a palette to the worksite. mission control congratulated them on a job well done. with that to thank you for your awesome work today. we have made great progress in upgrading the batteries. nice job. thank you so much. it s been a wonderful day for us and it s an honor to be part of your team. we look forward to the rest of the series. the last spacewalk will focus on the automatic spectrometer which analyzes cosmic ray bans. nasa future spacewalks includes