His Royal Highness Prince William of Wales, RAF.  Prince William is wearing the uniform of a <a href="https://en.wikipedia.org/wiki/en:Flight_Lieutenant" class="extiw" title="w:en:Flight Lieutenant">flight lieutenant</a>.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/38702000@N02">Robert Payne</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/38702000@N02/4693238245/">Prince William</a>