Astronaut Christer Fuglesang, STS-116 mission specialist, wearing a training version of the Extravehicular Mobility Unit (EMU) spacesuit, participates in an underwater simulation of extravehicular activity (EVA) scheduled for the 19th shuttle mission to the International Space Station (ISS). Fuglesang was joined by astronaut Robert L. Curbeam, Jr. (out of frame), mission specialist, for the simulation, conducted in the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center. Fuglesang represents the European Space Agency (ESA)
