S134-E-07608 (20 May 2011) --- NASA astronaut Andrew Feustel, STS-134 mission specialist, works to install a new Materials International Space Station Experiment (MISSE) on the EXPRESS (Expedite the Processing of Experiments to Space Station) Logistics Carrier 2 (ELC2) during the first session of extravehicular activity (EVA-1) on NASA's next to last space shuttle flight. Photo credit: NASA