NASA photo of astronaut <a href="https://en.wikipedia.org/wiki/Christina_Hammock" class="extiw" title="en:Christina Hammock">Christina M. Hammock</a>, credit: Robert Koch
NASA
Taken on 7 June 2013
<a rel="nofollow" class="external free" href="http://www.nasa.gov/astronauts/2013_hammock.html">http://www.nasa.gov/astronauts/2013_hammock.html</a>