Cpl. Derrick Priest, a military working dog handler with Military Police Support Company, II Marine Expeditionary Force Headquarters Group, uses a radio to give his military working dog, Shandi, commands during road way training for smelling out explosives aboard Camp Lejeune, N.C., June 9, 2010. While Shandi searched the road environment for explosive odors planted by the handlers, Priest radioed to her which directions to go and exactly what she needed to do. - Cpl. Derrick Priest, a military working dog handler with Military Police Support Company, II Marine Expeditionary Force Headquarters Group, uses a radio to give his military working dog, Shandi, commands during road way training for smelling out explosives aboard Camp Lejeune, N.C., June 9, 2010. While Shandi searched the road environment for explosive odors planted by the handlers, Priest radioed to her which directions to go and exactly what she needed to do.