Awaiting his helmet, Joseph R. Tanner, STS-82 mission specialist assigned to extravehicular activity (EVA) for the servicing of the Hubble Space Telescope (HST), is about to be submerged in the Neutral Buoyancy Laboratory (NBL) for training.
<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/27743755460/">Astronaut Joseph R. Tanner</a>