Mark C. Lee, STS-82 payload commander, training for extravehicular activity (EVA) involved with the servicing of the Hubble Space Telescope (HST), prepares to enter the Neutral Bouyancy Laboratory (NBL) water tank at the Johnson Space Center (JSC). Moments later, Lee was neutrally buoyant, rehearsing some of the HST servicing chores with a crewmate.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/144614754@N02">NASA Hubble Space Telescope</a>
2016-07-01 13:25
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nasahubble/27743755640/">Astronaut Mark C. Lee</a>