NASA official biographical photo of <a href="https://en.wikipedia.org/wiki/William_Oefelein" class="extiw" title="en:William Oefelein">William Oefelein</a>, astronaut
NASA
<a rel="nofollow" class="external free" href="http://www.jsc.nasa.gov/Bios/portraits/oefelein.jpg">http://www.jsc.nasa.gov/Bios/portraits/oefelein.jpg</a>