STS-103 crewmembers at the NBL

S99-08361 (26 July 1999) --- Astronaut Claude Nicollier, mission specialist representing the European Space Agency
(ESA), readies gear for an underwater
rehearsal of STS-103 exctravehicular activity (EVA). Nicollier and other astronauts assigned to space walk duty are in training for EVA chores they will handle when they make the third servicing visit to the Earth-orbiting Hubble Space Telescope (HST) since its deployment in April 1990.