NASA Program Manager and NEEMO 1 aquanaut <a href="https://en.wikipedia.org/wiki/Bill_Todd" class="extiw" title="en:Bill Todd">Bill Todd</a> inside the Aquarius underwater laboratory.  From <a rel="nofollow" class="external free" href="http://quest.arc.nasa.gov/people/bios/space/todd.html">http://quest.arc.nasa.gov/people/bios/space/todd.html</a>.  NASA photo in public domain.
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