<a href="https://en.wikipedia.org/wiki/Prince_Philip,_Duke_of_Edinburgh" class="extiw" title="w:Prince Philip, Duke of Edinburgh">Prince Philip, Duke of Edinburgh</a>, during a visit to the <a href="//commons.wikimedia.org/wiki/NASA" title="NASA">NASA</a> Goddard Space Flight Center in Greenbelt, Maryland.
Photo Credit: NASA/Paul E. Alers
<a rel="nofollow" class="external free" href="http://www.nasa.gov/centers/goddard/news/topstory/2007/queen_auditorium.html">http://www.nasa.gov/centers/goddard/news/topstory/2007/queen_auditorium.html</a>