WALK THE LINE U.S. Navy Petty Officer 2nd Class Ashley Bidon walks her military working dog across an obstacle course at the kennel on Joint Base McGuire-Dix-Lakehurst, N.J., Jan. 5, 2010. The Navy uses military working dogs to ensure base security as well as to detect drugs and explosives. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 439001-E-HIQ81-178.jpg Photo Gallery