Philippe Perrin wears a training version of the Extravehicular Mobility Unit suit during an underwater simulation of extravehicular activity.

Astronaut Philippe Perrin, STS-111 mission specialist, wears a training version of the Extravehicular Mobility Unit (EMU) space suit during an underwater simulation of extravehicular activity (EVA) scheduled for the 14th shuttle mission to the International Space Station (ISS). Perrin, representing CNES, the French Space Agency, was joined by astronaut Franklin R. Chang-Diaz (out of frame) for the simulation, conducted in the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center.