S96-11801 (10 June 1996) --- Astronaut Mark C. Lee, STS-82 payload commander assigned to extravehicular activity (EVA) involved with the servicing of the Hubble Space Telescope (HST), checks his communications system prior to being submerged in a water tank at the Johnson Space Center (JSC). Moments later, Lee was neutrally buoyant, rehearsing some of the HST servicing chores with a crewmate.