The Mounted Color Guard members are active duty Marines who, in their time off, train these Palomino mustangs to perform precise colour guard movements (similar to the trooping of the colour).
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/30414596@N00">Samantha</a>
CC BY 2.0
originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/30414596@N00/2332525033">Marine Corps Mounted Color Guard</a>