U.S. Air Force Staff Sgt. Roberto Matos receives a bite from Britta, a military working dog, in a controlled water aggression exercise at Hurlburt Field, Fla. The goal of water aggression training is to allow the dogs to become more comfortable working in a variety of environments. Sergeant Matos and Britta are assigned to the 1st Special Operations Security Forces Squadron.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/39955793@N07">U.S. Department of Defense Current Photos</a><br>Staff Sgt. Sheila deVera
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