|Total EVA time:||21h 12m|
|No.||Date||Together with||Time||Main tasks and notes|
|1||14.03.2008||R. Linnehan||7h 01m||
Preparing the JEM ELM PS for its removal from the shuttle's payload bay.
|2||17.05.2010||S. Bowen||7h 25m||
Installing a spare space-to-ground Ku-band antenna on the station's truss. Then they installed a new tool platform on Dextre. The spacewalkers breaked the torque on bolts holding batteries in place on the truss.
|3||21.05.2010||M. Good||6h 46m||
Installing the final two new batteries on the truss and put the old batteries on the carrier. Next, they retrieved a grapple fixture from Atlantis' payload bay and brought it inside the station for use as a spare.