U.S. Air Force Staff Sgt. Matthew Zantene, carries Jany, a military patrol/explosive detection dog, during the Department of Defense Military Working Dog Trials at Joint Base San Antonio-Lackland, Texas, May 5, 2012. Zantene was a military working dog handler assigned to the 802nd Security Forces Squadron. (U.S. Air Force photo by Senior Airman Corey Hook/Released)