Having doffed the outer layer of their Extravehicular Mobility Unit (EMU) spacesuits, Expedition 32 Flight Engineers Sunita Williams of NASA and Akihiko Hoshide of the Japan Aerospace Exploration Agency (JAXA) flex their muscles, celebrating success on their just-completed spacewalk, the second extravehicular activity for them in less than a week. They are still sporting their EMU thermal underwear in the Unity Node 1.