JSC2002-00587 (19 March 2002) --- Astronaut C. Michael Foale and cosmonaut Valery I. Tokarev (partially obscured), Expedition Eight mission commander and flight engineer, respectively, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center (JSC). Foale and Tokarev are wearing training versions of the Extravehicular Mobility Unit (EMU) spacesuit. Divers are in the water to assist the astronaut and cosmonaut in their rehearsal, intended to help prepare them for work on the exterior of the International Space Station (ISS). Tokarev represents Rosaviakosmos.