U.S. Marines assigned to the Military Working Dog Handlers

U.S. Marines assigned to the Military Working Dog Handlers Course, Marine Detachment Lackland, use military working dogs to search for simulated explosives at Lackland Air Force Base, Texas, March 22, 2017. The mission of Marine Detachment Lackland is to train entry, intermediate, and advanced level Marines on the skills required of a Military Working Dog Handler and Basic Corrections Specialist. (U.S. Marine Corps photo by Lance Cpl. Jose Villalobosrocha)