Cpl. Chris Gurr, civilian police working dog handler, instructs his canine partner, Barros, to check an 18-wheeler for narcotics at Marine Corps Logistics Base Albany’s commercial gate, Friday. - Cpl. Chris Gurr, civilian police working dog handler, instructs his canine partner, Barros, to check an 18-wheeler for narcotics at Marine Corps Logistics Base Albany’s commercial gate, Friday.