During a preview of <a href="https://en.wikipedia.org/wiki/Skylab" class="extiw" title="en:Skylab">Skylab</a> medical altitude test experiments, Astronaut <a href="https://en.wikipedia.org/wiki/Karol_J._Bobko" class="extiw" title="en:Karol J. Bobko">Karol J. Bobko</a> is being configured for a test in the Lower Body Negative Pressure experiment while Scientist-Astronaut <a href="https://en.wikipedia.org/wiki/William_E._Thornton" class="extiw" title="en:William E. Thornton">William E. Thornton</a> assists.
Photo Credit: NASA Johnson Space Center
NASA Johnson Space Center
Taken in 1972
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