Steve Swanson of NASA works on one of the Extravehicular Mobility Unit (EMU) spacesuits
ISS039-E-011886 (14 April 2014) — In the Quest airlock of the International Space Station, Expedition 39 Flight Engineer Steve Swanson of NASA works on one of the Extravehicular Mobility Unit (EMU) spacesuits to be used on an upcoming spacewalk on which Swanson and crewmate Rick Mastracchio of NASA will participate.