Cosplay of two sandtroopers at Star Wars Celebration VI.  IDs on lanyards indicate that these are member of the 501st Legion.  The trooper on the left of the photograph can be seen to be <a rel="nofollow" class="external text" href="http://www.501st.com/members/displaymember.php?userID=9985&amp;costumeID=2">"TD 3165" (Rob D'Onofrio)</a> of the Canadian Garrison.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/12508217@N08">Sam Howzit</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/aloha75/7865112704/">Sandtroopers</a>