JSC2000-02191 (March 2000) --- Astronaut Daniel C. Burbank, wearing a training version of the extravehicular mobility unit (EMU), stands on a platform that will allow him to be lowered into water for an underwater rehearsal of a space walk scheduled for STS-106. The EVA training is being conducted at the Neutral Buoyancy Laboratory (NBL)in the Sonny Carter Training Center near the Johnson Space Center (JSC).