U.S. Navy Master-at-Arms 1st Class Nicholas Webster, a military working dog handler, carries Fergina, 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. Webster was stationed at Naval Air Station Corpus Christi, Texas. (U.S. Air Force photo by Senior Airman Corey Hook/Released)